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2207690340 = 2235107347991
BaseRepresentation
bin1000001110010110…
…1010111001100100
312200212011021210220
42003211222321210
514010132042330
61003022244340
7105465025662
oct20345527144
95625137726
102207690340
11a33202479
125174266b0
132924c4b5b
1416d2bdc32
15cdc3a710
hex8396ae64

2207690340 has 96 divisors (see below), whose sum is σ = 6263599104. Its totient is φ = 580947840.

The previous prime is 2207690333. The next prime is 2207690341. The reversal of 2207690340 is 430967022.

It is not an unprimeable number, because it can be changed into a prime (2207690341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2227245 + ... + 2228235.

It is an arithmetic number, because the mean of its divisors is an integer number (65245824).

Almost surely, 22207690340 is an apocalyptic number.

2207690340 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 2207690340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131799552).

2207690340 is an abundant number, since it is smaller than the sum of its proper divisors (4055908764).

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

2207690340 is a wasteful number, since it uses less digits than its factorization.

2207690340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2207690340 is about 46986.0653811319. The cubic root of 2207690340 is about 1302.1051375571.

The spelling of 2207690340 in words is "two billion, two hundred seven million, six hundred ninety thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 347 428 535 642 694 991 1041 1070 1284 1388 1605 1735 1982 2082 2140 2973 3210 3470 3964 4164 4955 5205 5946 6420 6940 9910 10410 11892 14865 19820 20820 29730 37129 59460 74258 106037 111387 148516 185645 212074 222774 318111 343877 371290 424148 445548 530185 556935 636222 687754 742580 1031631 1060370 1113870 1272444 1375508 1590555 1719385 2063262 2120740 2227740 3181110 3438770 4126524 5158155 6362220 6877540 10316310 20632620 36794839 73589678 110384517 147179356 183974195 220769034 367948390 441538068 551922585 735896780 1103845170 2207690340