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49902925 = 5210918313
BaseRepresentation
bin1011111001011…
…1010101001101
310110220022221111
42332113111031
5100233343200
64541332021
71144111402
oct276272515
9113808844
1049902925
1126194896
1214867011
13a453177
1468b02a9
1545ab0ba
hex2f9754d

49902925 has 12 divisors (see below), whose sum is σ = 62450740. Its totient is φ = 39553920.

The previous prime is 49902907. The next prime is 49902959. The reversal of 49902925 is 52920994.

It can be written as a sum of positive squares in 6 ways, for example, as 1503076 + 48399849 = 1226^2 + 6957^2 .

It is a de Polignac number, because none of the positive numbers 2k-49902925 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6432 + ... + 11881.

Almost surely, 249902925 is an apocalyptic number.

It is an amenable number.

49902925 is a deficient number, since it is larger than the sum of its proper divisors (12547815).

49902925 is a wasteful number, since it uses less digits than its factorization.

49902925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18432 (or 18427 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 49902925 is about 7064.2002378189. The cubic root of 49902925 is about 368.1645771626.

The spelling of 49902925 in words is "forty-nine million, nine hundred two thousand, nine hundred twenty-five".

Divisors: 1 5 25 109 545 2725 18313 91565 457825 1996117 9980585 49902925