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29940868 = 227519967
BaseRepresentation
bin111001000110…
…1110010000100
32002100011011001
41302031302010
530131101433
62545423044
7512331106
oct162156204
962304131
1029940868
11159a0021
12a03aa84
1362840b9
143d95576
15296657d
hex1c8dc84

29940868 has 12 divisors (see below), whose sum is σ = 52471552. Its totient is φ = 14949000.

The previous prime is 29940829. The next prime is 29940887. The reversal of 29940868 is 86804992.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 1980 + ... + 7987.

Almost surely, 229940868 is an apocalyptic number.

It is an amenable number.

29940868 is a deficient number, since it is larger than the sum of its proper divisors (22530684).

29940868 is a wasteful number, since it uses less digits than its factorization.

29940868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722 (or 10720 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 29940868 is about 5471.8249240998. The cubic root of 29940868 is about 310.5189642353.

The spelling of 29940868 in words is "twenty-nine million, nine hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 751 1502 3004 9967 19934 39868 7485217 14970434 29940868