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27069380 = 22513104113
BaseRepresentation
bin110011101000…
…0101111000100
31212221021012122
41213100233010
523412210010
62404105112
7446041322
oct147205704
955837178
1027069380
1114309698
129095198
1357ba0b0
143848d12
15259a855
hex19d0bc4

27069380 has 24 divisors (see below), whose sum is σ = 61219032. Its totient is φ = 9994752.

The previous prime is 27069347. The next prime is 27069431. The reversal of 27069380 is 8396072.

It can be written as a sum of positive squares in 4 ways, for example, as 50176 + 27019204 = 224^2 + 5198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27069380.

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, 51797 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (2550793).

Almost surely, 227069380 is an apocalyptic number.

27069380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27069380 is an abundant number, since it is smaller than the sum of its proper divisors (34149652).

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

27069380 is a wasteful number, since it uses less digits than its factorization.

27069380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104135 (or 104133 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27069380 is about 5202.8242330488. The cubic root of 27069380 is about 300.2567431768.

The spelling of 27069380 in words is "twenty-seven million, sixty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 104113 208226 416452 520565 1041130 1353469 2082260 2706938 5413876 6767345 13534690 27069380