Search a number
-
+
54394872 = 23371917041
BaseRepresentation
bin1100111101111…
…1111111111000
310210100112201220
43033133333320
5102411113442
65221512040
71230230430
oct317377770
9123315656
1054394872
1128782744
1216272620
13b36691c
14731d2c0
154b96eec
hex33dfff8

54394872 has 64 divisors (see below), whose sum is σ = 163603200. Its totient is φ = 14722560.

The previous prime is 54394861. The next prime is 54394877. The reversal of 54394872 is 27849345.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54394877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5329 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (2556300).

Almost surely, 254394872 is an apocalyptic number.

It is an amenable number.

54394872 is an abundant number, since it is smaller than the sum of its proper divisors (109208328).

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

54394872 is a wasteful number, since it uses less digits than its factorization.

54394872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17076 (or 17072 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 54394872 is about 7375.2879265829. The cubic root of 54394872 is about 378.8953886387.

The spelling of 54394872 in words is "fifty-four million, three hundred ninety-four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 133 152 168 228 266 399 456 532 798 1064 1596 3192 17041 34082 51123 68164 102246 119287 136328 204492 238574 323779 357861 408984 477148 647558 715722 954296 971337 1295116 1431444 1942674 2266453 2590232 2862888 3885348 4532906 6799359 7770696 9065812 13598718 18131624 27197436 54394872