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54979312 = 2419223811
BaseRepresentation
bin1101000110111…
…0101011110000
310211110020102211
43101232223300
5103033314222
65242221504
71235213353
oct321565360
9124406384
1054979312
1129041853
12164b4894
13b50c94b
14743229a
154c60277
hex346eaf0

54979312 has 40 divisors (see below), whose sum is σ = 112770560. Its totient is φ = 25894080.

The previous prime is 54979307. The next prime is 54979349. The reversal of 54979312 is 21397945.

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, 67387 + ... + 68197.

It is an arithmetic number, because the mean of its divisors is an integer number (2819264).

Almost surely, 254979312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54979312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56385280).

54979312 is an abundant number, since it is smaller than the sum of its proper divisors (57791248).

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

54979312 is a wasteful number, since it uses less digits than its factorization.

54979312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 54979312 is about 7414.8035712350. The cubic root of 54979312 is about 380.2475579870.

The spelling of 54979312 in words is "fifty-four million, nine hundred seventy-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 223 304 446 811 892 1622 1784 3244 3568 4237 6488 8474 12976 15409 16948 30818 33896 61636 67792 123272 180853 246544 361706 723412 1446824 2893648 3436207 6872414 13744828 27489656 54979312