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29940858 = 2321663381
BaseRepresentation
bin111001000110…
…1110001111010
32002100011010200
41302031301322
530131101413
62545423030
7512331063
oct162156172
962304120
1029940858
11159a0012
12a03aa76
1362840ac
143d9556a
152966573
hex1c8dc7a

29940858 has 12 divisors (see below), whose sum is σ = 64871898. Its totient is φ = 9980280.

The previous prime is 29940829. The next prime is 29940887. The reversal of 29940858 is 85804992.

It is an interprime number because it is at equal distance from previous prime (29940829) and next prime (29940887).

It can be written as a sum of positive squares in only one way, i.e., 23299929 + 6640929 = 4827^2 + 2577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831673 + ... + 831708.

Almost surely, 229940858 is an apocalyptic number.

29940858 is an abundant number, since it is smaller than the sum of its proper divisors (34931040).

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

29940858 is a wasteful number, since it uses less digits than its factorization.

29940858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663389 (or 1663386 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 29940858 is about 5471.8240103278. The cubic root of 29940858 is about 310.5189296650.

The spelling of 29940858 in words is "twenty-nine million, nine hundred forty thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 18 1663381 3326762 4990143 9980286 14970429 29940858