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28361742 = 234726957
BaseRepresentation
bin110110000110…
…0010000001110
31222100220222220
41230030100032
524230033432
62451520210
7463033203
oct154142016
958326886
1028361742
1115011662
1295b9066
135b503c6
143aa3caa
15275372c
hex1b0c40e

28361742 has 8 divisors (see below), whose sum is σ = 56723496. Its totient is φ = 9453912.

The previous prime is 28361717. The next prime is 28361819. The reversal of 28361742 is 24716382.

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

28361742 is an admirable number.

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, 2363473 + ... + 2363484.

It is an arithmetic number, because the mean of its divisors is an integer number (7090437).

Almost surely, 228361742 is an apocalyptic number.

28361742 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.

28361742 is a wasteful number, since it uses less digits than its factorization.

28361742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726962.

The product of its digits is 16128, while the sum is 33.

The square root of 28361742 is about 5325.5743352243. The cubic root of 28361742 is about 304.9609983274.

The spelling of 28361742 in words is "twenty-eight million, three hundred sixty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 4726957 9453914 14180871 28361742