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27931034 = 2171316271
BaseRepresentation
bin110101010001…
…1000110011010
31221120001011202
41222203012122
524122243114
62434354202
7456260405
oct152430632
957501152
1027931034
1114847aaa
12942b962
135a2c351
1439d0d3c
1526bacde
hex1aa319a

27931034 has 16 divisors (see below), whose sum is σ = 44706816. Its totient is φ = 13041600.

The previous prime is 27931021. The next prime is 27931049. The reversal of 27931034 is 43013972.

It is a junction number, because it is equal to n+sod(n) for n = 27930988 and 27931006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (2794176).

Almost surely, 227931034 is an apocalyptic number.

27931034 is a deficient number, since it is larger than the sum of its proper divisors (16775782).

27931034 is a wasteful number, since it uses less digits than its factorization.

27931034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 27931034 is about 5284.9819299596. The cubic root of 27931034 is about 303.4093810320.

It can be divided in two parts, 279 and 31034, that added together give a palindrome (31313).

The spelling of 27931034 in words is "twenty-seven million, nine hundred thirty-one thousand, thirty-four".

Divisors: 1 2 17 34 131 262 2227 4454 6271 12542 106607 213214 821501 1643002 13965517 27931034