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45685008 = 2432317257
BaseRepresentation
bin1010111001000…
…1100100010000
310011222001001100
42232101210100
543143410013
64311104400
71063213305
oct256214420
9104861040
1045685008
1123873906
1213372100
139607365
1460d30ac
154026473
hex2b91910

45685008 has 30 divisors (see below), whose sum is σ = 127854974. Its totient is φ = 15228288.

The previous prime is 45685007. The next prime is 45685019. The reversal of 45685008 is 80058654.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34715664 + 10969344 = 5892^2 + 3312^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45685007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158485 + ... + 158772.

Almost surely, 245685008 is an apocalyptic number.

45685008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45685008 is an abundant number, since it is smaller than the sum of its proper divisors (82169966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45685008 is a wasteful number, since it uses less digits than its factorization.

45685008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317271 (or 317262 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 45685008 is about 6759.0685748852. The cubic root of 45685008 is about 357.4850643344.

The spelling of 45685008 in words is "forty-five million, six hundred eighty-five thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 317257 634514 951771 1269028 1903542 2538056 2855313 3807084 5076112 5710626 7614168 11421252 15228336 22842504 45685008