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28374834 = 234729139
BaseRepresentation
bin110110000111…
…1011100110010
31222101120221210
41230033130302
524230443314
62452100550
7463116315
oct154173462
958346853
1028374834
1115020484
129604756
135b56357
143aa897c
152757559
hex1b0f732

28374834 has 8 divisors (see below), whose sum is σ = 56749680. Its totient is φ = 9458276.

The previous prime is 28374817. The next prime is 28374851. The reversal of 28374834 is 43847382.

It is an interprime number because it is at equal distance from previous prime (28374817) and next prime (28374851).

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

28374834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28374792 and 28374801.

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, 2364564 + ... + 2364575.

It is an arithmetic number, because the mean of its divisors is an integer number (7093710).

Almost surely, 228374834 is an apocalyptic number.

28374834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28374834 is a wasteful number, since it uses less digits than its factorization.

28374834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729144.

The product of its digits is 129024, while the sum is 39.

The square root of 28374834 is about 5326.8033566108. The cubic root of 28374834 is about 305.0079152295.

The spelling of 28374834 in words is "twenty-eight million, three hundred seventy-four thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 4729139 9458278 14187417 28374834