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71051316 = 2237845849
BaseRepresentation
bin1000011110000…
…10100000110100
311221200210002020
410033002200310
5121142120231
611014513140
71521632460
oct417024064
9157623066
1071051316
11371199a6
121b9657b0
13119491cb
1496174a0
156387396
hex43c2834

71051316 has 24 divisors (see below), whose sum is σ = 189470400. Its totient is φ = 20300352.

The previous prime is 71051311. The next prime is 71051327. The reversal of 71051316 is 61315017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71051311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422841 + ... + 423008.

It is an arithmetic number, because the mean of its divisors is an integer number (7894600).

Almost surely, 271051316 is an apocalyptic number.

It is an amenable number.

71051316 is an abundant number, since it is smaller than the sum of its proper divisors (118419084).

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

71051316 is a wasteful number, since it uses less digits than its factorization.

71051316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845863 (or 845861 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 71051316 is about 8429.1942675442. The cubic root of 71051316 is about 414.1815115766.

The spelling of 71051316 in words is "seventy-one million, fifty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 845849 1691698 2537547 3383396 5075094 5920943 10150188 11841886 17762829 23683772 35525658 71051316