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54578472 = 23313174931
BaseRepresentation
bin1101000000110…
…0110100101000
310210200212120220
43100030310220
5102433002342
65225450040
71231623624
oct320146450
9123625526
1054578472
1128898683
1216340920
13b3cc370
14736a184
154bd15ec
hex340cd28

54578472 has 32 divisors (see below), whose sum is σ = 146942880. Its totient is φ = 16793280.

The previous prime is 54578443. The next prime is 54578477. The reversal of 54578472 is 27487545.

It is not an unprimeable number, because it can be changed into a prime (54578477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87154 + ... + 87777.

It is an arithmetic number, because the mean of its divisors is an integer number (4591965).

Almost surely, 254578472 is an apocalyptic number.

54578472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54578472 is an abundant number, since it is smaller than the sum of its proper divisors (92364408).

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

54578472 is a wasteful number, since it uses less digits than its factorization.

54578472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174953 (or 174949 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 54578472 is about 7387.7244128351. The cubic root of 54578472 is about 379.3212074032.

The spelling of 54578472 in words is "fifty-four million, five hundred seventy-eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 174931 349862 524793 699724 1049586 1399448 2099172 2274103 4198344 4548206 6822309 9096412 13644618 18192824 27289236 54578472