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268494808 = 2333561851
BaseRepresentation
bin10000000000001…
…110011111011000
3200201012221122011
4100000032133120
51022213313213
642350435304
76440111461
oct2000163730
9621187564
10268494808
1112861613a
1275b02b34
134381998a
1427931d68
151888903d
hex1000e7d8

268494808 has 8 divisors (see below), whose sum is σ = 503427780. Its totient is φ = 134247400.

The previous prime is 268494797. The next prime is 268494827. The reversal of 268494808 is 808494862.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16780918 + ... + 16780933.

Almost surely, 2268494808 is an apocalyptic number.

It is an amenable number.

268494808 is a deficient number, since it is larger than the sum of its proper divisors (234932972).

268494808 is a wasteful number, since it uses less digits than its factorization.

268494808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33561857 (or 33561853 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 268494808 is about 16385.8111791879. The cubic root of 268494808 is about 645.1271171450.

The spelling of 268494808 in words is "two hundred sixty-eight million, four hundred ninety-four thousand, eight hundred eight".

Divisors: 1 2 4 8 33561851 67123702 134247404 268494808