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2245413940 = 2257112831597
BaseRepresentation
bin1000010111010110…
…0100110000110100
312210111010211212021
42011311210300310
514044311221230
61010451002524
7106433463220
oct20565446064
95714124767
102245413940
11a52528800
12527b99444
1329a272503
141742dd780
15d21dcc7a
hex85d64c34

2245413940 has 144 divisors (see below), whose sum is σ = 5998559616. Its totient is φ = 691004160.

The previous prime is 2245413899. The next prime is 2245413949. The reversal of 2245413940 is 493145422.

It is a junction number, because it is equal to n+sod(n) for n = 2245413896 and 2245413905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245413949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405222 + ... + 1406818.

It is an arithmetic number, because the mean of its divisors is an integer number (41656664).

Almost surely, 22245413940 is an apocalyptic number.

2245413940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245413940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999279808).

2245413940 is an abundant number, since it is smaller than the sum of its proper divisors (3753145676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2245413940 is a wasteful number, since it uses less digits than its factorization.

2245413940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2245413940 is about 47385.7989275268. The cubic root of 2245413940 is about 1309.4798043371.

The spelling of 2245413940 in words is "two billion, two hundred forty-five million, four hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 83 110 121 140 154 166 220 242 308 332 385 415 484 581 605 770 830 847 913 1162 1210 1540 1597 1660 1694 1826 2324 2420 2905 3194 3388 3652 4235 4565 5810 6388 6391 7985 8470 9130 10043 11179 11620 12782 15970 16940 17567 18260 20086 22358 25564 31940 31955 35134 40172 44716 50215 55895 63910 70268 70301 87835 100430 111790 122969 127820 132551 140602 175670 193237 200860 223580 245938 265102 281204 351340 351505 386474 491876 530204 614845 662755 703010 772948 927857 966185 1229690 1325510 1352659 1406020 1458061 1855714 1932370 2459380 2651020 2705318 2916122 3711428 3864740 4639285 5410636 5832244 6763295 7290305 9278570 10206427 13526590 14580610 16038671 18557140 20412854 27053180 29161220 32077342 40825708 51032135 64154684 80193355 102064270 112270697 160386710 204128540 224541394 320773420 449082788 561353485 1122706970 2245413940