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45470757 = 315156919
BaseRepresentation
bin1010110101110…
…1010000100101
310011120011011010
42231131100211
543120031012
64302332433
71061331543
oct255352045
9104504133
1045470757
1123737942
121328a119
139560997
146078d93
153ed2c3c
hex2b5d425

45470757 has 4 divisors (see below), whose sum is σ = 60627680. Its totient is φ = 30313836.

The previous prime is 45470749. The next prime is 45470773. The reversal of 45470757 is 75707454.

45470757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45470757 - 23 = 45470749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45470717) 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 3 ways as a sum of consecutive naturals, for example, 7578457 + ... + 7578462.

It is an arithmetic number, because the mean of its divisors is an integer number (15156920).

Almost surely, 245470757 is an apocalyptic number.

It is an amenable number.

45470757 is a deficient number, since it is larger than the sum of its proper divisors (15156923).

45470757 is a wasteful number, since it uses less digits than its factorization.

45470757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15156922.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 45470757 is about 6743.2007978407. The cubic root of 45470757 is about 356.9253506167.

The spelling of 45470757 in words is "forty-five million, four hundred seventy thousand, seven hundred fifty-seven".

Divisors: 1 3 15156919 45470757