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268840804 = 221931532153
BaseRepresentation
bin10000000001100…
…010111101100100
3200201212112020211
4100001202331210
51022310401204
642402105204
76443052301
oct2001427544
9621775224
10268840804
11128832091
127604b204
134390b2cb
14279c20a8
1518906804
hex10062f64

268840804 has 48 divisors (see below), whose sum is σ = 521095680. Its totient is φ = 120856320.

The previous prime is 268840801. The next prime is 268840807. The reversal of 268840804 is 408048862.

It is an interprime number because it is at equal distance from previous prime (268840801) and next prime (268840807).

It is not an unprimeable number, because it can be changed into a prime (268840801) 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 15 ways as a sum of consecutive naturals, for example, 123792 + ... + 125944.

It is an arithmetic number, because the mean of its divisors is an integer number (10856160).

Almost surely, 2268840804 is an apocalyptic number.

It is an amenable number.

268840804 is a deficient number, since it is larger than the sum of its proper divisors (252254876).

268840804 is a wasteful number, since it uses less digits than its factorization.

268840804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 268840804 is about 16396.3655728945. The cubic root of 268840804 is about 645.4041126814.

The spelling of 268840804 in words is "two hundred sixty-eight million, eight hundred forty thousand, eight hundred four".

Divisors: 1 2 4 19 31 38 53 62 76 106 124 212 589 1007 1178 1643 2014 2153 2356 3286 4028 4306 6572 8612 31217 40907 62434 66743 81814 114109 124868 133486 163628 228218 266972 456436 1268117 2168071 2536234 3537379 4336142 5072468 7074758 8672284 14149516 67210201 134420402 268840804