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54157974 = 2313694333
BaseRepresentation
bin1100111010011…
…0001010010110
310202220111202220
43032212022112
5102331023344
65212443210
71225222653
oct316461226
9122814686
1054157974
1128630762
1216179506
13b2b2b50
14729ac2a
154b4bc19
hex33a6296

54157974 has 16 divisors (see below), whose sum is σ = 116648112. Its totient is φ = 16663968.

The previous prime is 54157951. The next prime is 54157979. The reversal of 54157974 is 47975145.

It is a happy number.

54157974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×541579742 = 5866172295569352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54157979) 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 7 ways as a sum of consecutive naturals, for example, 347089 + ... + 347244.

It is an arithmetic number, because the mean of its divisors is an integer number (7290507).

Almost surely, 254157974 is an apocalyptic number.

54157974 is an abundant number, since it is smaller than the sum of its proper divisors (62490138).

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

54157974 is a wasteful number, since it uses less digits than its factorization.

54157974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694351.

The product of its digits is 176400, while the sum is 42.

The square root of 54157974 is about 7359.2101478352. The cubic root of 54157974 is about 378.3445390321.

The spelling of 54157974 in words is "fifty-four million, one hundred fifty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 694333 1388666 2082999 4165998 9026329 18052658 27078987 54157974