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71374436 = 2277334919
BaseRepresentation
bin1000100000100…
…01011001100100
311222022012022122
410100101121210
5121232440221
611025445112
71524446510
oct420213144
9158265278
1071374436
113731a741
121baa0798
1311a302c3
14969d140
1563eceab
hex4411664

71374436 has 24 divisors (see below), whose sum is σ = 144708480. Its totient is φ = 30169152.

The previous prime is 71374403. The next prime is 71374441. The reversal of 71374436 is 63447317.

It is a super-2 number, since 2×713744362 = 10188620228636192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71374396 and 71374405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15416 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (6029520).

Almost surely, 271374436 is an apocalyptic number.

It is an amenable number.

71374436 is an abundant number, since it is smaller than the sum of its proper divisors (73334044).

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

71374436 is a wasteful number, since it uses less digits than its factorization.

71374436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003 (or 35001 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 71374436 is about 8448.3392450824. The cubic root of 71374436 is about 414.8084198226.

The spelling of 71374436 in words is "seventy-one million, three hundred seventy-four thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 34919 69838 139676 244433 488866 977732 2549087 5098174 10196348 17843609 35687218 71374436