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268925988 = 223113198323
BaseRepresentation
bin10000000001110…
…111110000100100
3200202000212002210
4100001313300210
51022321112423
642404003420
76443555532
oct2001676044
9622025083
10268925988
11128890091
1276090570
134393b006
1427a05152
1518921b93
hex10077c24

268925988 has 24 divisors (see below), whose sum is σ = 633050208. Its totient is φ = 88848256.

The previous prime is 268925983. The next prime is 268926067. The reversal of 268925988 is 889529862.

It is a super-2 number, since 2×2689259882 = 144642374043552288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268925983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97806 + ... + 100517.

It is an arithmetic number, because the mean of its divisors is an integer number (26377092).

Almost surely, 2268925988 is an apocalyptic number.

It is an amenable number.

268925988 is an abundant number, since it is smaller than the sum of its proper divisors (364124220).

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

268925988 is a wasteful number, since it uses less digits than its factorization.

268925988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198443 (or 198441 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The square root of 268925988 is about 16398.9630159959. The cubic root of 268925988 is about 645.4722723474.

The spelling of 268925988 in words is "two hundred sixty-eight million, nine hundred twenty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 198323 396646 594969 793292 1189938 2379876 22410499 44820998 67231497 89641996 134462994 268925988