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45007537 = 198722651
BaseRepresentation
bin1010101110110…
…0001010110001
310010200121201211
42223230022301
543010220122
64244400121
71054362211
oct253541261
9103617654
1045007537
1123450913
12130a6041
13942aba3
145d98241
153e40877
hex2aec2b1

45007537 has 4 divisors (see below), whose sum is σ = 45032176. Its totient is φ = 44982900.

The previous prime is 45007531. The next prime is 45007549. The reversal of 45007537 is 73570054.

45007537 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 45007537 - 211 = 45005489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45007499 and 45007508.

It is not an unprimeable number, because it can be changed into a prime (45007531) 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, 9339 + ... + 13312.

It is an arithmetic number, because the mean of its divisors is an integer number (11258044).

Almost surely, 245007537 is an apocalyptic number.

It is an amenable number.

45007537 is a deficient number, since it is larger than the sum of its proper divisors (24639).

45007537 is a wasteful number, since it uses less digits than its factorization.

45007537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24638.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 45007537 is about 6708.7656837901. The cubic root of 45007537 is about 355.7091873440.

The spelling of 45007537 in words is "forty-five million, seven thousand, five hundred thirty-seven".

Divisors: 1 1987 22651 45007537