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71003044 = 2272535823
BaseRepresentation
bin1000011101101…
…10101110100100
311221121022212101
410032312232210
5121134044134
611013501444
71521341650
oct416665644
9157538771
1071003044
1137096702
121b941884
1311930248
149603a60
156377e14
hex43b6ba4

71003044 has 12 divisors (see below), whose sum is σ = 142006144. Its totient is φ = 30429864.

The previous prime is 71003039. The next prime is 71003059. The reversal of 71003044 is 44030017.

It is a happy number.

71003044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267884 + ... + 1267939.

Almost surely, 271003044 is an apocalyptic number.

It is an amenable number.

71003044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71003044 is a wasteful number, since it uses less digits than its factorization.

71003044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535834 (or 2535832 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71003044 is about 8426.3303994087. The cubic root of 71003044 is about 414.0876925334.

The spelling of 71003044 in words is "seventy-one million, three thousand, forty-four".

Divisors: 1 2 4 7 14 28 2535823 5071646 10143292 17750761 35501522 71003044