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49513825 = 522386111
BaseRepresentation
bin1011110011100…
…0010101100001
310110011120012101
42330320111201
5100133420300
64525130401
71140601114
oct274702541
9113146171
1049513825
1125a49519
12146b9a01
13a34802a
14680c57b
154530b6a
hex2f38561

49513825 has 12 divisors (see below), whose sum is σ = 64067328. Its totient is φ = 37888400.

The previous prime is 49513823. The next prime is 49513831. The reversal of 49513825 is 52831594.

49513825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49513825 - 21 = 49513823 is a prime.

It is a super-2 number, since 2×495138252 = 4903237732261250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49513823) 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 11 ways as a sum of consecutive naturals, for example, 42481 + ... + 43630.

It is an arithmetic number, because the mean of its divisors is an integer number (5338944).

Almost surely, 249513825 is an apocalyptic number.

It is an amenable number.

49513825 is a deficient number, since it is larger than the sum of its proper divisors (14553503).

49513825 is a wasteful number, since it uses less digits than its factorization.

49513825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86144 (or 86139 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 49513825 is about 7036.6060711113. The cubic root of 49513825 is about 367.2052026775.

The spelling of 49513825 in words is "forty-nine million, five hundred thirteen thousand, eight hundred twenty-five".

Divisors: 1 5 23 25 115 575 86111 430555 1980553 2152775 9902765 49513825