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47891496 = 2334742457
BaseRepresentation
bin1011011010110…
…0010000101000
310100010010210010
42312230100220
544230011441
64430251520
71121033232
oct266542050
9110103703
1047891496
1125040654
1214056ba0
139bca783
146509252
154310116
hex2dac428

47891496 has 32 divisors (see below), whose sum is σ = 122279040. Its totient is φ = 15623808.

The previous prime is 47891471. The next prime is 47891509. The reversal of 47891496 is 69419874.

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 7 ways as a sum of consecutive naturals, for example, 20101 + ... + 22356.

It is an arithmetic number, because the mean of its divisors is an integer number (3821220).

Almost surely, 247891496 is an apocalyptic number.

It is an amenable number.

47891496 is an abundant number, since it is smaller than the sum of its proper divisors (74387544).

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

47891496 is a wasteful number, since it uses less digits than its factorization.

47891496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42513 (or 42509 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 47891496 is about 6920.3681982970. The cubic root of 47891496 is about 363.1500718951.

The spelling of 47891496 in words is "forty-seven million, eight hundred ninety-one thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 42457 84914 127371 169828 254742 339656 509484 1018968 1995479 3990958 5986437 7981916 11972874 15963832 23945748 47891496