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71058472 = 2333726357
BaseRepresentation
bin1000011110001…
…00010000101000
311221201010220021
410033010100220
5121142332342
611015010224
71521662362
oct417042050
9157633807
1071058472
1137124311
121b969974
131194c544
149619d32
156389567
hex43c4428

71058472 has 16 divisors (see below), whose sum is σ = 133635060. Its totient is φ = 35422464.

The previous prime is 71058467. The next prime is 71058509. The reversal of 71058472 is 27485017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68790436 + 2268036 = 8294^2 + 1506^2 .

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, 10483 + ... + 15874.

Almost surely, 271058472 is an apocalyptic number.

It is an amenable number.

71058472 is a deficient number, since it is larger than the sum of its proper divisors (62576588).

71058472 is a wasteful number, since it uses less digits than its factorization.

71058472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26700 (or 26696 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 71058472 is about 8429.6187339642. The cubic root of 71058472 is about 414.1954160030.

The spelling of 71058472 in words is "seventy-one million, fifty-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 337 674 1348 2696 26357 52714 105428 210856 8882309 17764618 35529236 71058472