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268949824 = 26111329387
BaseRepresentation
bin10000000001111…
…101100101000000
3200202002001210121
4100001331211000
51022322343244
642404310024
76444015163
oct2001754500
9622061717
10268949824
111288a6a90
12760a2314
1343948b10
1427a0dada
1518928c84
hex1007d940

268949824 has 56 divisors (see below), whose sum is σ = 627022368. Its totient is φ = 112842240.

The previous prime is 268949801. The next prime is 268949851. The reversal of 268949824 is 428949862.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5542 + ... + 23845.

It is an arithmetic number, because the mean of its divisors is an integer number (11196828).

Almost surely, 2268949824 is an apocalyptic number.

It is an amenable number.

268949824 is an abundant number, since it is smaller than the sum of its proper divisors (358072544).

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

268949824 is a wasteful number, since it uses less digits than its factorization.

268949824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29423 (or 29413 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 268949824 is about 16399.6897531630. The cubic root of 268949824 is about 645.4913420583.

The spelling of 268949824 in words is "two hundred sixty-eight million, nine hundred forty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 143 176 208 286 352 416 572 704 832 1144 2288 4576 9152 29387 58774 117548 235096 323257 382031 470192 646514 764062 940384 1293028 1528124 1880768 2586056 3056248 4202341 5172112 6112496 8404682 10344224 12224992 16809364 20688448 24449984 33618728 67237456 134474912 268949824