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28372124 = 22111394639
BaseRepresentation
bin110110000111…
…0110010011100
31222101110020102
41230032302130
524230401444
62452040232
7463105364
oct154166234
958343212
1028372124
1115019440
129603078
135b55051
143aa79a4
15275684e
hex1b0ec9c

28372124 has 24 divisors (see below), whose sum is σ = 54566400. Its totient is φ = 12800880.

The previous prime is 28372117. The next prime is 28372151. The reversal of 28372124 is 42127382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (2273600).

Almost surely, 228372124 is an apocalyptic number.

It is an amenable number.

28372124 is a deficient number, since it is larger than the sum of its proper divisors (26194276).

28372124 is a wasteful number, since it uses less digits than its factorization.

28372124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793 (or 4791 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 28372124 is about 5326.5489765889. The cubic root of 28372124 is about 304.9982047731.

The spelling of 28372124 in words is "twenty-eight million, three hundred seventy-two thousand, one hundred twenty-four".

Divisors: 1 2 4 11 22 44 139 278 556 1529 3058 4639 6116 9278 18556 51029 102058 204116 644821 1289642 2579284 7093031 14186062 28372124