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1423750240 = 255115913711
BaseRepresentation
bin101010011011100…
…1011010001100000
310200020001000011101
41110313023101200
510403440001430
6353135524144
750165451223
oct12467132140
93606030141
101423750240
116707406a0
12338989654
13198c75b83
14d71355ba
1584ed6dca
hex54dcb460

1423750240 has 96 divisors (see below), whose sum is σ = 3731857920. Its totient is φ = 508915200.

The previous prime is 1423750231. The next prime is 1423750249. The reversal of 1423750240 is 420573241.

It is an interprime number because it is at equal distance from previous prime (1423750231) and next prime (1423750249).

It is a junction number, because it is equal to n+sod(n) for n = 1423750199 and 1423750208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423750249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96985 + ... + 110695.

It is an arithmetic number, because the mean of its divisors is an integer number (38873520).

Almost surely, 21423750240 is an apocalyptic number.

1423750240 is a gapful number since it is divisible by the number (10) 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 1423750240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865928960).

1423750240 is an abundant number, since it is smaller than the sum of its proper divisors (2308107680).

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

1423750240 is a wasteful number, since it uses less digits than its factorization.

1423750240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13796 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1423750240 is about 37732.6150697245. The cubic root of 1423750240 is about 1124.9794867042.

The spelling of 1423750240 in words is "one billion, four hundred twenty-three million, seven hundred fifty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 59 80 88 110 118 160 176 220 236 295 352 440 472 590 649 880 944 1180 1298 1760 1888 2360 2596 3245 4720 5192 6490 9440 10384 12980 13711 20768 25960 27422 51920 54844 68555 103840 109688 137110 150821 219376 274220 301642 438752 548440 603284 754105 808949 1096880 1206568 1508210 1617898 2193760 2413136 3016420 3235796 4044745 4826272 6032840 6471592 8089490 8898439 12065680 12943184 16178980 17796878 24131360 25886368 32357960 35593756 44492195 64715920 71187512 88984390 129431840 142375024 177968780 284750048 355937560 711875120 1423750240