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54028653 = 3729791123
BaseRepresentation
bin1100111000011…
…0100101101101
310202122221101020
43032012211231
5102312404103
65210004353
71224143640
oct316064555
9122587336
1054028653
1128552588
12161166b9
13b269023
147265a57
154b23753
hex338696d

54028653 has 32 divisors (see below), whose sum is σ = 86323200. Its totient is φ = 29405376.

The previous prime is 54028651. The next prime is 54028673. The reversal of 54028653 is 35682045.

It is not a de Polignac number, because 54028653 - 21 = 54028651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54028651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47550 + ... + 48672.

It is an arithmetic number, because the mean of its divisors is an integer number (2697600).

Almost surely, 254028653 is an apocalyptic number.

It is an amenable number.

54028653 is a deficient number, since it is larger than the sum of its proper divisors (32294547).

54028653 is a wasteful number, since it uses less digits than its factorization.

54028653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 54028653 is about 7350.4185595107. The cubic root of 54028653 is about 378.0431559585.

The spelling of 54028653 in words is "fifty-four million, twenty-eight thousand, six hundred fifty-three".

Divisors: 1 3 7 21 29 79 87 203 237 553 609 1123 1659 2291 3369 6873 7861 16037 23583 32567 48111 88717 97701 227969 266151 621019 683907 1863057 2572793 7718379 18009551 54028653