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54534870 = 2345135179
BaseRepresentation
bin1101000000001…
…0001011010110
310210121122210000
43100002023112
5102430103440
65224512130
71231352535
oct320021326
9123548700
1054534870
1128868945
121631b646
13b3b5570
14735831c
154bc3730
hex34022d6

54534870 has 80 divisors (see below), whose sum is σ = 157948560. Its totient is φ = 13421376.

The previous prime is 54534853. The next prime is 54534871. The reversal of 54534870 is 7843545.

54534870 is a `hidden beast` number, since 54 + 534 + 8 + 70 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54534871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7941 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (1974357).

Almost surely, 254534870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54534870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78974280).

54534870 is an abundant number, since it is smaller than the sum of its proper divisors (103413690).

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

54534870 is a wasteful number, since it uses less digits than its factorization.

54534870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211 (or 5202 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 54534870 is about 7384.7728468789. The cubic root of 54534870 is about 379.2201689721.

The spelling of 54534870 in words is "fifty-four million, five hundred thirty-four thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 585 702 810 1053 1170 1755 2106 3510 5179 5265 10358 10530 15537 25895 31074 46611 51790 67327 77685 93222 134654 139833 155370 201981 233055 279666 336635 403962 419499 466110 605943 673270 699165 838998 1009905 1211886 1398330 1817829 2019810 2097495 3029715 3635658 4194990 5453487 6059430 9089145 10906974 18178290 27267435 54534870