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54978152 = 2337185737
BaseRepresentation
bin1101000110111…
…0011001101000
310211110011211212
43101232121220
5103033300102
65242212252
71235210105
oct321563150
9124404755
1054978152
1129040999
12164b4088
13b50c268
147431aac
154c5ec52
hex346e668

54978152 has 16 divisors (see below), whose sum is σ = 105870660. Its totient is φ = 26745984.

The previous prime is 54978151. The next prime is 54978167. The reversal of 54978152 is 25187945.

54978152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 306916 = 7394^2 + 554^2 .

It is not an unprimeable number, because it can be changed into a prime (54978151) 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 3 ways as a sum of consecutive naturals, for example, 92573 + ... + 93164.

Almost surely, 254978152 is an apocalyptic number.

It is an amenable number.

54978152 is a deficient number, since it is larger than the sum of its proper divisors (50892508).

54978152 is a wasteful number, since it uses less digits than its factorization.

54978152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185780 (or 185776 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 54978152 is about 7414.7253489256. The cubic root of 54978152 is about 380.2448837067.

The spelling of 54978152 in words is "fifty-four million, nine hundred seventy-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 37 74 148 296 185737 371474 742948 1485896 6872269 13744538 27489076 54978152