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71670275 = 522866811
BaseRepresentation
bin1000100010110…
…01101000000011
311222212020010122
410101121220003
5121321422100
611040050455
71530121145
oct421315003
9158766118
1071670275
1137501a36
1220003a2b
1311b04b61
149738c95
15645a985
hex4459a03

71670275 has 6 divisors (see below), whose sum is σ = 88871172. Its totient is φ = 57336200.

The previous prime is 71670259. The next prime is 71670331. The reversal of 71670275 is 57207617.

It is not a de Polignac number, because 71670275 - 24 = 71670259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1433381 + ... + 1433430.

It is an arithmetic number, because the mean of its divisors is an integer number (14811862).

Almost surely, 271670275 is an apocalyptic number.

71670275 is a deficient number, since it is larger than the sum of its proper divisors (17200897).

71670275 is a wasteful number, since it uses less digits than its factorization.

71670275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866821 (or 2866816 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 71670275 is about 8465.8298470971. The cubic root of 71670275 is about 415.3807412102.

The spelling of 71670275 in words is "seventy-one million, six hundred seventy thousand, two hundred seventy-five".

Divisors: 1 5 25 2866811 14334055 71670275