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27073930 = 2513208261
BaseRepresentation
bin110011101000…
…1110110001010
31212221111110011
41213101312022
523412331210
62404142134
7446060512
oct147216612
955844404
1027073930
1114312054
12909794a
1357bc1a0
14384a842
15259bd8a
hex19d1d8a

27073930 has 16 divisors (see below), whose sum is σ = 52482024. Its totient is φ = 9996480.

The previous prime is 27073919. The next prime is 27073931. The reversal of 27073930 is 3937072.

It can be written as a sum of positive squares in 4 ways, for example, as 18412681 + 8661249 = 4291^2 + 2943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27073892 and 27073901.

It is not an unprimeable number, because it can be changed into a prime (27073931) 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 7 ways as a sum of consecutive naturals, for example, 104001 + ... + 104260.

Almost surely, 227073930 is an apocalyptic number.

27073930 is a deficient number, since it is larger than the sum of its proper divisors (25408094).

27073930 is a wasteful number, since it uses less digits than its factorization.

27073930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208281.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 27073930 is about 5203.2614771891. The cubic root of 27073930 is about 300.2735652791.

The spelling of 27073930 in words is "twenty-seven million, seventy-three thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 208261 416522 1041305 2082610 2707393 5414786 13536965 27073930