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268396629 = 31713937861
BaseRepresentation
bin11111111111101…
…10100001010101
3200201000221221220
433333312201111
51022202143004
642344400553
76436222314
oct1777664125
9621027856
10268396629
111285593a6
1275a76159
13437b4097
142790827b
1518869dd9
hexfff6855

268396629 has 16 divisors (see below), whose sum is σ = 381648960. Its totient is φ = 167189760.

The previous prime is 268396627. The next prime is 268396651. The reversal of 268396629 is 926693862.

It is not a de Polignac number, because 268396629 - 21 = 268396627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268396627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11842 + ... + 26019.

It is an arithmetic number, because the mean of its divisors is an integer number (23853060).

Almost surely, 2268396629 is an apocalyptic number.

It is an amenable number.

268396629 is a deficient number, since it is larger than the sum of its proper divisors (113252331).

268396629 is a wasteful number, since it uses less digits than its factorization.

268396629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38020.

The product of its digits is 1679616, while the sum is 51.

The square root of 268396629 is about 16382.8150511443. The cubic root of 268396629 is about 645.0484742128.

The spelling of 268396629 in words is "two hundred sixty-eight million, three hundred ninety-six thousand, six hundred twenty-nine".

Divisors: 1 3 17 51 139 417 2363 7089 37861 113583 643637 1930911 5262679 15788037 89465543 268396629