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49956091 = 137364643
BaseRepresentation
bin1011111010010…
…0010011111011
310111000000212121
42332210103323
5100242043331
64542422111
71144422403
oct276442373
9114000777
1049956091
1126220829
1214891937
13a471423
1468c5803
1545bbc11
hex2fa44fb

49956091 has 4 divisors (see below), whose sum is σ = 50320872. Its totient is φ = 49591312.

The previous prime is 49956089. The next prime is 49956103. The reversal of 49956091 is 19065994.

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

It is a cyclic number.

It is not a de Polignac number, because 49956091 - 21 = 49956089 is a prime.

It is a super-2 number, since 2×499560912 = 4991222056000562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49956191) 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, 182185 + ... + 182458.

It is an arithmetic number, because the mean of its divisors is an integer number (12580218).

Almost surely, 249956091 is an apocalyptic number.

49956091 is a deficient number, since it is larger than the sum of its proper divisors (364781).

49956091 is a wasteful number, since it uses less digits than its factorization.

49956091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364780.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 49956091 is about 7067.9622947495. The cubic root of 49956091 is about 368.2952768545.

The spelling of 49956091 in words is "forty-nine million, nine hundred fifty-six thousand, ninety-one".

Divisors: 1 137 364643 49956091