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49082137 = 133775549
BaseRepresentation
bin1011101100111…
…0111100011001
310102100122000221
42323032330121
5100031112022
64512000041
71134122416
oct273167431
9112318027
1049082137
1125784155
1214530021
13a2266b0
14673910d
154497cc7
hex2ecef19

49082137 has 4 divisors (see below), whose sum is σ = 52857700. Its totient is φ = 45306576.

The previous prime is 49082129. The next prime is 49082141. The reversal of 49082137 is 73128094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 23921881 = 5016^2 + 4891^2 .

It is a cyclic number.

It is not a de Polignac number, because 49082137 - 23 = 49082129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49082107) 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, 1887762 + ... + 1887787.

It is an arithmetic number, because the mean of its divisors is an integer number (13214425).

Almost surely, 249082137 is an apocalyptic number.

It is an amenable number.

49082137 is a deficient number, since it is larger than the sum of its proper divisors (3775563).

49082137 is a wasteful number, since it uses less digits than its factorization.

49082137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775562.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 49082137 is about 7005.8644719977. The cubic root of 49082137 is about 366.1349224359.

The spelling of 49082137 in words is "forty-nine million, eighty-two thousand, one hundred thirty-seven".

Divisors: 1 13 3775549 49082137