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28095492 = 22317137723
BaseRepresentation
bin110101100101…
…1010000000100
31221212101202210
41223023100010
524143023432
62442103420
7460544025
oct153132004
957771683
1028095492
111494a617
1294aab70
135a89169
143a34c4c
1526ee8cc
hex1acb404

28095492 has 24 divisors (see below), whose sum is σ = 69412896. Its totient is φ = 8814208.

The previous prime is 28095491. The next prime is 28095493. The reversal of 28095492 is 29459082.

It is an interprime number because it is at equal distance from previous prime (28095491) and next prime (28095493).

It is a self number, because there is not a number n which added to its sum of digits gives 28095492.

It is not an unprimeable number, because it can be changed into a prime (28095491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68658 + ... + 69065.

It is an arithmetic number, because the mean of its divisors is an integer number (2892204).

Almost surely, 228095492 is an apocalyptic number.

It is an amenable number.

28095492 is an abundant number, since it is smaller than the sum of its proper divisors (41317404).

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

28095492 is a wasteful number, since it uses less digits than its factorization.

28095492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137747 (or 137745 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 28095492 is about 5300.5180878854. The cubic root of 28095492 is about 304.0037078264.

The spelling of 28095492 in words is "twenty-eight million, ninety-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 137723 275446 413169 550892 826338 1652676 2341291 4682582 7023873 9365164 14047746 28095492