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27930434 = 271995031
BaseRepresentation
bin110101010001…
…0111101000010
31221120000100112
41222202331002
524122233214
62434351322
7456255560
oct152427502
957500315
1027930434
1114847604
12942b542
135a2bcac
1439d0a30
1526baa3e
hex1aa2f42

27930434 has 8 divisors (see below), whose sum is σ = 47880768. Its totient is φ = 11970180.

The previous prime is 27930433. The next prime is 27930467. The reversal of 27930434 is 43403972.

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 27930434.

It is not an unprimeable number, because it can be changed into a prime (27930431) 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, 997502 + ... + 997529.

It is an arithmetic number, because the mean of its divisors is an integer number (5985096).

Almost surely, 227930434 is an apocalyptic number.

27930434 is a deficient number, since it is larger than the sum of its proper divisors (19950334).

27930434 is a wasteful number, since it uses less digits than its factorization.

27930434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995040.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 27930434 is about 5284.9251650331. The cubic root of 27930434 is about 303.4072084554.

The spelling of 27930434 in words is "twenty-seven million, nine hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 7 14 1995031 3990062 13965217 27930434