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27155030 = 2571133433
BaseRepresentation
bin110011110010…
…1101001010110
31220002121200212
41213211221112
523422430110
62410005422
7446546120
oct147455126
956077625
1027155030
1114367a81
129116872
13581a086
14386c210
1525b5e05
hex19e5a56

27155030 has 32 divisors (see below), whose sum is σ = 56372544. Its totient is φ = 9225216.

The previous prime is 27155021. The next prime is 27155113. The reversal of 27155030 is 3055172.

It is a junction number, because it is equal to n+sod(n) for n = 27154987 and 27155005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6194 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (1761642).

Almost surely, 227155030 is an apocalyptic number.

27155030 is an abundant number, since it is smaller than the sum of its proper divisors (29217514).

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

27155030 is a wasteful number, since it uses less digits than its factorization.

27155030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 27155030 is about 5211.0488387656. The cubic root of 27155030 is about 300.5730897153.

The spelling of 27155030 in words is "twenty-seven million, one hundred fifty-five thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 113 226 565 791 1130 1582 3433 3955 6866 7910 17165 24031 34330 48062 120155 240310 387929 775858 1939645 2715503 3879290 5431006 13577515 27155030