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54485972 = 2231479349
BaseRepresentation
bin1100111111011…
…0001111010100
310210112011200222
43033312033110
5102422022342
65223453512
71231060142
oct317661724
9123464628
1054485972
1128835132
12162b7298
13b399228
147344592
154bb3ed2
hex33f63d4

54485972 has 24 divisors (see below), whose sum is σ = 100531200. Its totient is φ = 25800480.

The previous prime is 54485953. The next prime is 54486013. The reversal of 54485972 is 27958445.

It is a happy number.

It is a super-2 number, since 2×544859722 = 5937442289569568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (4188800).

Almost surely, 254485972 is an apocalyptic number.

It is an amenable number.

54485972 is a deficient number, since it is larger than the sum of its proper divisors (46045228).

54485972 is a wasteful number, since it uses less digits than its factorization.

54485972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9429 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 54485972 is about 7381.4613729261. The cubic root of 54485972 is about 379.1067940939.

The spelling of 54485972 in words is "fifty-four million, four hundred eighty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 31 47 62 94 124 188 1457 2914 5828 9349 18698 37396 289819 439403 579638 878806 1159276 1757612 13621493 27242986 54485972