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54386988 = 2231272281
BaseRepresentation
bin1100111101111…
…0000100101100
310210100010220220
43033132010230
5102410340423
65221411340
71230165435
oct317360454
9123303826
1054386988
1128777827
1216269b50
13b363166
14731a48c
154b949e3
hex33de12c

54386988 has 36 divisors (see below), whose sum is σ = 128365272. Its totient is φ = 17922240.

The previous prime is 54386963. The next prime is 54386993. The reversal of 54386988 is 88968345.

It is a self number, because there is not a number n which added to its sum of digits gives 54386988.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193408 + ... + 193688.

It is an arithmetic number, because the mean of its divisors is an integer number (3565702).

Almost surely, 254386988 is an apocalyptic number.

It is an amenable number.

54386988 is an abundant number, since it is smaller than the sum of its proper divisors (73978284).

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

54386988 is a wasteful number, since it uses less digits than its factorization.

54386988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 413 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 54386988 is about 7374.7534196067. The cubic root of 54386988 is about 378.8770820381.

The spelling of 54386988 in words is "fifty-four million, three hundred eighty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 127 254 281 381 508 562 762 843 1124 1524 1686 3372 16129 32258 35687 48387 64516 71374 96774 107061 142748 193548 214122 428244 4532249 9064498 13596747 18128996 27193494 54386988