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28097174 = 2715113291
BaseRepresentation
bin110101100101…
…1101010010110
31221212111002002
41223023222112
524143102144
62442115302
7460551650
oct153135226
957774062
1028097174
1114950906
1294abb32
135a89b61
143a356d0
15270014e
hex1acba96

28097174 has 16 divisors (see below), whose sum is σ = 48489216. Its totient is φ = 11961000.

The previous prime is 28097161. The next prime is 28097183. The reversal of 28097174 is 47179082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4532 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (3030576).

Almost surely, 228097174 is an apocalyptic number.

28097174 is a deficient number, since it is larger than the sum of its proper divisors (20392042).

28097174 is a wasteful number, since it uses less digits than its factorization.

28097174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 28097174 is about 5300.6767492463. The cubic root of 28097174 is about 304.0097743279.

The spelling of 28097174 in words is "twenty-eight million, ninety-seven thousand, one hundred seventy-four".

Divisors: 1 2 7 14 151 302 1057 2114 13291 26582 93037 186074 2006941 4013882 14048587 28097174