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28413708 = 2232367809
BaseRepresentation
bin110110001100…
…0111100001100
31222110120021120
41230120330030
524233214313
62453000540
7463340541
oct154307414
958416246
1028413708
1115047704
129623150
135b6ac5b
143ab8bc8
152763d23
hex1b18f0c

28413708 has 12 divisors (see below), whose sum is σ = 66298680. Its totient is φ = 9471232.

The previous prime is 28413691. The next prime is 28413719. The reversal of 28413708 is 80731482.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1183893 + ... + 1183916.

It is an arithmetic number, because the mean of its divisors is an integer number (5524890).

Almost surely, 228413708 is an apocalyptic number.

It is an amenable number.

28413708 is an abundant number, since it is smaller than the sum of its proper divisors (37884972).

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

28413708 is a wasteful number, since it uses less digits than its factorization.

28413708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367816 (or 2367814 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28413708 is about 5330.4510128131. The cubic root of 28413708 is about 305.1471403272.

The spelling of 28413708 in words is "twenty-eight million, four hundred thirteen thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 2367809 4735618 7103427 9471236 14206854 28413708