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45747231 = 319802583
BaseRepresentation
bin1010111010000…
…0110000011111
310012002012101220
42232200300133
543202402411
64312304423
71063562565
oct256406037
9105065356
1045747231
1123906632
12133a2113
13962978a
14610ba35
154039b06
hex2ba0c1f

45747231 has 8 divisors (see below), whose sum is σ = 64206720. Its totient is φ = 28892952.

The previous prime is 45747223. The next prime is 45747257. The reversal of 45747231 is 13274754.

45747231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45747231 - 23 = 45747223 is a prime.

It is a super-2 number, since 2×457472312 = 4185618288334722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45747192 and 45747201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45747211) 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 7 ways as a sum of consecutive naturals, for example, 401235 + ... + 401348.

It is an arithmetic number, because the mean of its divisors is an integer number (8025840).

Almost surely, 245747231 is an apocalyptic number.

45747231 is a deficient number, since it is larger than the sum of its proper divisors (18459489).

45747231 is a wasteful number, since it uses less digits than its factorization.

45747231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802605.

The product of its digits is 23520, while the sum is 33.

The square root of 45747231 is about 6763.6699357671. The cubic root of 45747231 is about 357.6472889757.

The spelling of 45747231 in words is "forty-five million, seven hundred forty-seven thousand, two hundred thirty-one".

Divisors: 1 3 19 57 802583 2407749 15249077 45747231