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45452557 = 167272171
BaseRepresentation
bin1010110101100…
…0110100001101
310011112020012001
42231120310031
543113440212
64302112301
71061224513
oct255306415
9104466161
1045452557
11237251a7
121327b691
139555607
1460724b3
153ecc657
hex2b58d0d

45452557 has 4 divisors (see below), whose sum is σ = 45724896. Its totient is φ = 45180220.

The previous prime is 45452527. The next prime is 45452569. The reversal of 45452557 is 75525454.

45452557 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 a cyclic number.

It is not a de Polignac number, because 45452557 - 215 = 45419789 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 (45452507) 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, 135919 + ... + 136252.

It is an arithmetic number, because the mean of its divisors is an integer number (11431224).

Almost surely, 245452557 is an apocalyptic number.

It is an amenable number.

45452557 is a deficient number, since it is larger than the sum of its proper divisors (272339).

45452557 is a wasteful number, since it uses less digits than its factorization.

45452557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272338.

The product of its digits is 140000, while the sum is 37.

The square root of 45452557 is about 6741.8511552837. The cubic root of 45452557 is about 356.8777236091.

The spelling of 45452557 in words is "forty-five million, four hundred fifty-two thousand, five hundred fifty-seven".

Divisors: 1 167 272171 45452557