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49997892 = 22371931327
BaseRepresentation
bin1011111010111…
…0100001000100
310111002011012210
42332232201010
5100244413032
64543343420
71144655310
oct276564104
9114064183
1049997892
112624a17a
12148b1b70
13a487469
1468d6b40
1545c92cc
hex2fae844

49997892 has 48 divisors (see below), whose sum is σ = 140349440. Its totient is φ = 13532832.

The previous prime is 49997891. The next prime is 49997897. The reversal of 49997892 is 29879994.

49997892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (49997891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14068 + ... + 17259.

Almost surely, 249997892 is an apocalyptic number.

49997892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49997892 is an abundant number, since it is smaller than the sum of its proper divisors (90351548).

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

49997892 is a wasteful number, since it uses less digits than its factorization.

49997892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360 (or 31358 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The square root of 49997892 is about 7070.9187521849. The cubic root of 49997892 is about 368.3979724990.

The spelling of 49997892 in words is "forty-nine million, nine hundred ninety-seven thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 31327 62654 93981 125308 187962 219289 375924 438578 595213 657867 877156 1190426 1315734 1785639 2380852 2631468 3571278 4166491 7142556 8332982 12499473 16665964 24998946 49997892