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27070938 = 2321503941
BaseRepresentation
bin110011101000…
…1000111011010
31212221100100100
41213101013122
523412232223
62404120230
7446046006
oct147210732
955840310
1027070938
111430a884
129096076
1357baa0b
143849706
15259b043
hex19d11da

27070938 has 12 divisors (see below), whose sum is σ = 58653738. Its totient is φ = 9023640.

The previous prime is 27070937. The next prime is 27070961. The reversal of 27070938 is 83907072.

It can be written as a sum of positive squares in only one way, i.e., 22155849 + 4915089 = 4707^2 + 2217^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27070937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751953 + ... + 751988.

Almost surely, 227070938 is an apocalyptic number.

27070938 is an abundant number, since it is smaller than the sum of its proper divisors (31582800).

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

27070938 is a wasteful number, since it uses less digits than its factorization.

27070938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503949 (or 1503946 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 27070938 is about 5202.9739572671. The cubic root of 27070938 is about 300.2625035726.

The spelling of 27070938 in words is "twenty-seven million, seventy thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 1503941 3007882 4511823 9023646 13535469 27070938