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53676644 = 2271917023
BaseRepresentation
bin1100110011000…
…0101001100100
310202000001111212
43030300221210
5102220123034
65154250552
71221146450
oct314605144
9122001455
1053676644
112833206a
1215b86a58
13b174a38
1471b3660
154aa42ce
hex3330a64

53676644 has 12 divisors (see below), whose sum is σ = 107353344. Its totient is φ = 23004264.

The previous prime is 53676643. The next prime is 53676661. The reversal of 53676644 is 44667635.

53676644 is an admirable number.

It is a super-2 number, since 2×536766442 = 5762364222205472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53676643) 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, 958484 + ... + 958539.

It is an arithmetic number, because the mean of its divisors is an integer number (8946112).

Almost surely, 253676644 is an apocalyptic number.

It is an amenable number.

53676644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53676644 is a wasteful number, since it uses less digits than its factorization.

53676644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917034 (or 1917032 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 53676644 is about 7326.4346035435. The cubic root of 53676644 is about 377.2203539803.

Subtracting from 53676644 its reverse (44667635), we obtain a palindrome (9009009).

The spelling of 53676644 in words is "fifty-three million, six hundred seventy-six thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 1917023 3834046 7668092 13419161 26838322 53676644