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71422894 = 2167281761
BaseRepresentation
bin1000100000111…
…01001110101110
311222101122210101
410100131032232
5121241013034
611030501314
71525041004
oct420351656
9158348711
1071422894
1137353094
121bb0483a
1311a4938a
1496b2a74
15640c514
hex441d3ae

71422894 has 16 divisors (see below), whose sum is σ = 108301536. Its totient is φ = 35324800.

The previous prime is 71422859. The next prime is 71422909. The reversal of 71422894 is 49822417.

It is a congruent number.

It is an unprimeable number.

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, 93474 + ... + 94234.

It is an arithmetic number, because the mean of its divisors is an integer number (6768846).

Almost surely, 271422894 is an apocalyptic number.

71422894 is a deficient number, since it is larger than the sum of its proper divisors (36878642).

71422894 is a wasteful number, since it uses less digits than its factorization.

71422894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its digits is 32256, while the sum is 37.

The square root of 71422894 is about 8451.2066594067. The cubic root of 71422894 is about 414.9022734032.

The spelling of 71422894 in words is "seventy-one million, four hundred twenty-two thousand, eight hundred ninety-four".

Divisors: 1 2 167 281 334 562 761 1522 46927 93854 127087 213841 254174 427682 35711447 71422894