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54738636 = 2234561553
BaseRepresentation
bin1101000011001…
…1111011001100
310211000000021220
43100303323030
5103003114021
65233123340
71233161601
oct320637314
9124000256
1054738636
1128997a47
12163b9550
13b457234
1473ac6a8
154c13cc6
hex3433ecc

54738636 has 12 divisors (see below), whose sum is σ = 127723512. Its totient is φ = 18246208.

The previous prime is 54738611. The next prime is 54738637. The reversal of 54738636 is 63683745.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×547386362 = 5992636542280992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54738637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280765 + ... + 2280788.

It is an arithmetic number, because the mean of its divisors is an integer number (10643626).

Almost surely, 254738636 is an apocalyptic number.

It is an amenable number.

54738636 is an abundant number, since it is smaller than the sum of its proper divisors (72984876).

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

54738636 is a wasteful number, since it uses less digits than its factorization.

54738636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561560 (or 4561558 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 54738636 is about 7398.5563456664. The cubic root of 54738636 is about 379.6918924486.

The spelling of 54738636 in words is "fifty-four million, seven hundred thirty-eight thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 4561553 9123106 13684659 18246212 27369318 54738636