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49998925 = 521999957
BaseRepresentation
bin1011111010111…
…0110001001101
310111002012122001
42332232301031
5100244431200
64543352301
71144661314
oct276566115
9114065561
1049998925
112624aa29
12148b2691
13a487a82
1468d727b
1545c976a
hex2faec4d

49998925 has 6 divisors (see below), whose sum is σ = 61998698. Its totient is φ = 39999120.

The previous prime is 49998919. The next prime is 49998931. The reversal of 49998925 is 52989994.

It is an interprime number because it is at equal distance from previous prime (49998919) and next prime (49998931).

It can be written as a sum of positive squares in 3 ways, for example, as 9205156 + 40793769 = 3034^2 + 6387^2 .

It is not a de Polignac number, because 49998925 - 23 = 49998917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 999954 + ... + 1000003.

Almost surely, 249998925 is an apocalyptic number.

It is an amenable number.

49998925 is a deficient number, since it is larger than the sum of its proper divisors (11999773).

49998925 is a wasteful number, since it uses less digits than its factorization.

49998925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999967 (or 1999962 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 55.

The square root of 49998925 is about 7070.9917974779. The cubic root of 49998925 is about 368.4005096225.

It can be divided in two parts, 4999 and 8925, that added together give a square (13924 = 1182).

The spelling of 49998925 in words is "forty-nine million, nine hundred ninety-eight thousand, nine hundred twenty-five".

Divisors: 1 5 25 1999957 9999785 49998925