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49879808 = 281117713
BaseRepresentation
bin1011111001000…
…1101100000000
310110212011020022
42332101230000
5100232123213
64541033012
71143654116
oct276215400
9113764208
1049879808
1126179490
1214855768
13a4457a4
1468a5ab6
1545a4308
hex2f91b00

49879808 has 36 divisors (see below), whose sum is σ = 108622248. Its totient is φ = 22671360.

The previous prime is 49879789. The next prime is 49879829. The reversal of 49879808 is 80897894.

It is a super-2 number, since 2×498798082 = 4975990492233728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49879808.

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, 6041 + ... + 11672.

Almost surely, 249879808 is an apocalyptic number.

It is an amenable number.

49879808 is an abundant number, since it is smaller than the sum of its proper divisors (58742440).

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

49879808 is a wasteful number, since it uses less digits than its factorization.

49879808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17740 (or 17726 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 49879808 is about 7062.5638404194. The cubic root of 49879808 is about 368.1077189386.

The spelling of 49879808 in words is "forty-nine million, eight hundred seventy-nine thousand, eight hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 1408 2816 17713 35426 70852 141704 194843 283408 389686 566816 779372 1133632 1558744 2267264 3117488 4534528 6234976 12469952 24939904 49879808