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49288992 = 253513427
BaseRepresentation
bin1011110000000…
…1011100100000
310102202010210020
42330001130200
5100104221432
64520233440
71135643454
oct274013440
9112663706
1049288992
1125905605
121460b880
13a2998ac
146790664
1544d922c
hex2f01720

49288992 has 24 divisors (see below), whose sum is σ = 129383856. Its totient is φ = 16429632.

The previous prime is 49288991. The next prime is 49288997. The reversal of 49288992 is 29988294.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (49288991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256618 + ... + 256809.

It is an arithmetic number, because the mean of its divisors is an integer number (5390994).

Almost surely, 249288992 is an apocalyptic number.

It is an amenable number.

49288992 is an abundant number, since it is smaller than the sum of its proper divisors (80094864).

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

49288992 is a wasteful number, since it uses less digits than its factorization.

49288992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513440 (or 513432 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 49288992 is about 7020.6119391403. The cubic root of 49288992 is about 366.6485559466.

The spelling of 49288992 in words is "forty-nine million, two hundred eighty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 513427 1026854 1540281 2053708 3080562 4107416 6161124 8214832 12322248 16429664 24644496 49288992