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71132953 = 211443761
BaseRepresentation
bin1000011110101…
…10011100011001
311221211221001211
410033112130121
5121202223303
611020343121
71522422463
oct417263431
9157757054
1071132953
1137175271
121b9a4aa1
1311977408
149639133
1563a166d
hex43d6719

71132953 has 8 divisors (see below), whose sum is σ = 71725536. Its totient is φ = 70543200.

The previous prime is 71132939. The next prime is 71132977. The reversal of 71132953 is 35923117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71132953 - 25 = 71132921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71132923) 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, 93093 + ... + 93853.

It is an arithmetic number, because the mean of its divisors is an integer number (8965692).

Almost surely, 271132953 is an apocalyptic number.

It is an amenable number.

71132953 is a deficient number, since it is larger than the sum of its proper divisors (592583).

71132953 is a wasteful number, since it uses less digits than its factorization.

71132953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its digits is 5670, while the sum is 31.

The square root of 71132953 is about 8434.0353923848. The cubic root of 71132953 is about 414.3400805104.

The spelling of 71132953 in words is "seventy-one million, one hundred thirty-two thousand, nine hundred fifty-three".

Divisors: 1 211 443 761 93473 160571 337123 71132953