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49375831 = 103479377
BaseRepresentation
bin1011110001011…
…0101001010111
310102220112220111
42330112221113
5100120011311
64522143451
71136454601
oct274265127
9112815814
1049375831
112596487a
1214651b87
13a2ca28b
1467b4171
154504d21
hex2f16a57

49375831 has 4 divisors (see below), whose sum is σ = 49855312. Its totient is φ = 48896352.

The previous prime is 49375829. The next prime is 49375841. The reversal of 49375831 is 13857394.

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 49375831 - 21 = 49375829 is a prime.

It is a super-2 number, since 2×493758312 = 4875945373881122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49375811) 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, 239586 + ... + 239791.

It is an arithmetic number, because the mean of its divisors is an integer number (12463828).

Almost surely, 249375831 is an apocalyptic number.

49375831 is a deficient number, since it is larger than the sum of its proper divisors (479481).

49375831 is a wasteful number, since it uses less digits than its factorization.

49375831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479480.

The product of its digits is 90720, while the sum is 40.

The square root of 49375831 is about 7026.7937923352. The cubic root of 49375831 is about 366.8637541911.

The spelling of 49375831 in words is "forty-nine million, three hundred seventy-five thousand, eight hundred thirty-one".

Divisors: 1 103 479377 49375831