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45663888 = 243951331
BaseRepresentation
bin1010111000110…
…0011010010000
310011220222002010
42232030122100
543142221023
64310422520
71063064604
oct256143220
9104828063
1045663888
1123859a56
1213361a40
1395ca86a
1460c9504
154020093
hex2b8c690

45663888 has 20 divisors (see below), whose sum is σ = 117965168. Its totient is φ = 15221280.

The previous prime is 45663851. The next prime is 45663889. The reversal of 45663888 is 88836654.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 951331 = 45663888 / (4 + 5 + 6 + 6 + 3 + 8 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (45663889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475618 + ... + 475713.

Almost surely, 245663888 is an apocalyptic number.

45663888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45663888 is an abundant number, since it is smaller than the sum of its proper divisors (72301280).

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

45663888 is a wasteful number, since it uses less digits than its factorization.

45663888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951342 (or 951336 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 45663888 is about 6757.5060488319. The cubic root of 45663888 is about 357.4299678622.

The spelling of 45663888 in words is "forty-five million, six hundred sixty-three thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 951331 1902662 2853993 3805324 5707986 7610648 11415972 15221296 22831944 45663888