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28413934 = 277318379
BaseRepresentation
bin110110001100…
…0111111101110
31222110120120221
41230120333232
524233221214
62453001554
7463341313
oct154307756
958416527
1028413934
111504789a
1296232ba
135b6b0a3
143ab8d0a
152763e24
hex1b18fee

28413934 has 8 divisors (see below), whose sum is σ = 42678360. Its totient is φ = 14187816.

The previous prime is 28413929. The next prime is 28413941. The reversal of 28413934 is 43931482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28413934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7644 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (5334795).

Almost surely, 228413934 is an apocalyptic number.

28413934 is a deficient number, since it is larger than the sum of its proper divisors (14264426).

28413934 is a wasteful number, since it uses less digits than its factorization.

28413934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19154.

The product of its digits is 20736, while the sum is 34.

The square root of 28413934 is about 5330.4722117276. The cubic root of 28413934 is about 305.1479493624.

The spelling of 28413934 in words is "twenty-eight million, four hundred thirteen thousand, nine hundred thirty-four".

Divisors: 1 2 773 1546 18379 36758 14206967 28413934