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71080264 = 23173311579
BaseRepresentation
bin1000011110010…
…01100101001000
311221202020210101
410033021211020
5121144032024
611015255144
71522113043
oct417114510
9157666711
1071080264
1137139722
121b97a4b4
1311959438
149623c5a
156390c44
hex43c9948

71080264 has 32 divisors (see below), whose sum is σ = 141631200. Its totient is φ = 33327360.

The previous prime is 71080259. The next prime is 71080267. The reversal of 71080264 is 46208017.

It is not an unprimeable number, because it can be changed into a prime (71080267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44227 + ... + 45805.

It is an arithmetic number, because the mean of its divisors is an integer number (4425975).

Almost surely, 271080264 is an apocalyptic number.

It is an amenable number.

71080264 is a deficient number, since it is larger than the sum of its proper divisors (70550936).

71080264 is a wasteful number, since it uses less digits than its factorization.

71080264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 71080264 is about 8430.9112200284. The cubic root of 71080264 is about 414.2377530798.

The spelling of 71080264 in words is "seventy-one million, eighty thousand, two hundred sixty-four".

Divisors: 1 2 4 8 17 34 68 136 331 662 1324 1579 2648 3158 5627 6316 11254 12632 22508 26843 45016 53686 107372 214744 522649 1045298 2090596 4181192 8885033 17770066 35540132 71080264