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168007436 = 2289471931
BaseRepresentation
bin10100000001110…
…01011100001100
3102201010122212122
422000321130030
5321002214221
624400552112
74110016412
oct1200713414
9381118778
10168007436
1186921523
1248322638
1328a653ac
14184552b2
15eb39eab
hexa03970c

168007436 has 12 divisors (see below), whose sum is σ = 297317160. Its totient is φ = 83059680.

The previous prime is 168007423. The next prime is 168007451. The reversal of 168007436 is 634700861.

It is a junction number, because it is equal to n+sod(n) for n = 168007396 and 168007405.

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 in 3 ways as a sum of consecutive naturals, for example, 235610 + ... + 236321.

It is an arithmetic number, because the mean of its divisors is an integer number (24776430).

Almost surely, 2168007436 is an apocalyptic number.

It is an amenable number.

168007436 is a deficient number, since it is larger than the sum of its proper divisors (129309724).

168007436 is a wasteful number, since it uses less digits than its factorization.

168007436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472024 (or 472022 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 168007436 is about 12961.7682435692. The cubic root of 168007436 is about 551.7929761721.

The spelling of 168007436 in words is "one hundred sixty-eight million, seven thousand, four hundred thirty-six".

Divisors: 1 2 4 89 178 356 471931 943862 1887724 42001859 84003718 168007436