Search a number
-
+
54320028 = 2237292381
BaseRepresentation
bin1100111100110…
…1101110011100
310210012202001220
43033031232130
5102401220103
65220133340
71226466300
oct317155634
9123182056
1054320028
1128731494
1216237250
13b33b839
1472ddd00
154b7ec53
hex33cdb9c

54320028 has 36 divisors (see below), whose sum is σ = 147441672. Its totient is φ = 15519840.

The previous prime is 54320027. The next prime is 54320087. The reversal of 54320028 is 82002345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54320023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45603 + ... + 46778.

It is an arithmetic number, because the mean of its divisors is an integer number (4095602).

Almost surely, 254320028 is an apocalyptic number.

It is an amenable number.

54320028 is an abundant number, since it is smaller than the sum of its proper divisors (93121644).

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

54320028 is a wasteful number, since it uses less digits than its factorization.

54320028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92402 (or 92393 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 54320028 is about 7370.2122086138. The cubic root of 54320028 is about 378.7215299538.

The spelling of 54320028 in words is "fifty-four million, three hundred twenty thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 92381 184762 277143 369524 554286 646667 1108572 1293334 1940001 2586668 3880002 4526669 7760004 9053338 13580007 18106676 27160014 54320028