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45025507 = 82354709
BaseRepresentation
bin1010101111000…
…0100011100011
310010201112101101
42223300203203
543011304012
64245015231
71054465462
oct253604343
9103645341
1045025507
112346336a
12130b4517
139436117
145da09d9
153e45d57
hex2af08e3

45025507 has 4 divisors (see below), whose sum is σ = 45081040. Its totient is φ = 44969976.

The previous prime is 45025471. The next prime is 45025511. The reversal of 45025507 is 70552054.

45025507 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45025507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45025207) 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, 26532 + ... + 28177.

It is an arithmetic number, because the mean of its divisors is an integer number (11270260).

Almost surely, 245025507 is an apocalyptic number.

45025507 is a deficient number, since it is larger than the sum of its proper divisors (55533).

45025507 is an equidigital number, since it uses as much as digits as its factorization.

45025507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55532.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 45025507 is about 6710.1048426981. The cubic root of 45025507 is about 355.7565219610.

The spelling of 45025507 in words is "forty-five million, twenty-five thousand, five hundred seven".

Divisors: 1 823 54709 45025507