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28412252 = 22112471249
BaseRepresentation
bin110110001100…
…0100101011100
31222110111021122
41230120211130
524233143002
62452550112
7463333361
oct154304534
958414248
1028412252
1115046600
129622338
135b6a3ab
143ab8468
1527636a2
hex1b1895c

28412252 has 36 divisors (see below), whose sum is σ = 55860000. Its totient is φ = 12629760.

The previous prime is 28412249. The next prime is 28412261. The reversal of 28412252 is 25221482.

It is a congruent number.

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, 22124 + ... + 23372.

Almost surely, 228412252 is an apocalyptic number.

28412252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28412252 is a deficient number, since it is larger than the sum of its proper divisors (27447748).

28412252 is a wasteful number, since it uses less digits than its factorization.

28412252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1309 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 28412252 is about 5330.3144372541. The cubic root of 28412252 is about 305.1419280329.

The spelling of 28412252 in words is "twenty-eight million, four hundred twelve thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 47 94 121 188 242 484 517 1034 1249 2068 2498 4996 5687 11374 13739 22748 27478 54956 58703 117406 151129 234812 302258 604516 645733 1291466 2582932 7103063 14206126 28412252