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45452057 = 721516143
BaseRepresentation
bin1010110101100…
…0101100011001
310011112012111112
42231120230121
543113431212
64302110105
71061223200
oct255305431
9104465445
1045452057
1123724892
121327b335
139555311
146072237
153ecc422
hex2b58b19

45452057 has 12 divisors (see below), whose sum is σ = 53231616. Its totient is φ = 38694600.

The previous prime is 45452053. The next prime is 45452059. The reversal of 45452057 is 75025454.

45452057 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 45452057 - 22 = 45452053 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (45452051) 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, 4328 + ... + 10470.

It is an arithmetic number, because the mean of its divisors is an integer number (4435968).

Almost surely, 245452057 is an apocalyptic number.

It is an amenable number.

45452057 is a deficient number, since it is larger than the sum of its proper divisors (7779559).

45452057 is a wasteful number, since it uses less digits than its factorization.

45452057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 45452057 is about 6741.8140733782. The cubic root of 45452057 is about 356.8764149954.

The spelling of 45452057 in words is "forty-five million, four hundred fifty-two thousand, fifty-seven".

Divisors: 1 7 49 151 1057 6143 7399 43001 301007 927593 6493151 45452057