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28867614 = 234811269
BaseRepresentation
bin110111000011…
…1110000011110
32000022121220220
41232013300132
524342230424
62510422210
7500241066
oct156076036
960277826
1028867614
1115327736
129801966
135c99739
143b963a6
152803579
hex1b87c1e

28867614 has 8 divisors (see below), whose sum is σ = 57735240. Its totient is φ = 9622536.

The previous prime is 28867613. The next prime is 28867621. The reversal of 28867614 is 41676882.

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

28867614 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28867613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405629 + ... + 2405640.

It is an arithmetic number, because the mean of its divisors is an integer number (7216905).

Almost surely, 228867614 is an apocalyptic number.

28867614 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.

28867614 is a wasteful number, since it uses less digits than its factorization.

28867614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811274.

The product of its digits is 129024, while the sum is 42.

The square root of 28867614 is about 5372.8590154591. The cubic root of 28867614 is about 306.7634616209.

The spelling of 28867614 in words is "twenty-eight million, eight hundred sixty-seven thousand, six hundred fourteen".

Divisors: 1 2 3 6 4811269 9622538 14433807 28867614