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27153040 = 245339413
BaseRepresentation
bin110011110010…
…1001010010000
31220002111222011
41213211022100
523422344130
62405552304
7446540245
oct147451220
956074864
1027153040
1114366532
129115694
1358191b5
14386b5cc
1525b552a
hex19e5290

27153040 has 20 divisors (see below), whose sum is σ = 63131004. Its totient is φ = 10861184.

The previous prime is 27153037. The next prime is 27153053. The reversal of 27153040 is 4035172.

It can be written as a sum of positive squares in 2 ways, for example, as 18766224 + 8386816 = 4332^2 + 2896^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169627 + ... + 169786.

Almost surely, 227153040 is an apocalyptic number.

27153040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27153040 is an abundant number, since it is smaller than the sum of its proper divisors (35977964).

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

27153040 is a wasteful number, since it uses less digits than its factorization.

27153040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339426 (or 339420 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27153040 is about 5210.8578948192. The cubic root of 27153040 is about 300.5657472443.

The spelling of 27153040 in words is "twenty-seven million, one hundred fifty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 339413 678826 1357652 1697065 2715304 3394130 5430608 6788260 13576520 27153040