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71533153 = 671397681
BaseRepresentation
bin1000100001110…
…00001001100001
311222121021001001
410100320021201
5121303030103
611033112001
71526010316
oct420701141
9158537031
1071533153
1137418a0a
121bb58601
1311a87613
149700d0d
15643001d
hex4438261

71533153 has 8 divisors (see below), whose sum is σ = 73132640. Its totient is φ = 69949440.

The previous prime is 71533117. The next prime is 71533171. The reversal of 71533153 is 35133517.

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 71533153 - 217 = 71402081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71533453) 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, 5473 + ... + 13153.

It is an arithmetic number, because the mean of its divisors is an integer number (9141580).

Almost surely, 271533153 is an apocalyptic number.

It is an amenable number.

71533153 is a deficient number, since it is larger than the sum of its proper divisors (1599487).

71533153 is a wasteful number, since it uses less digits than its factorization.

71533153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

The product of its digits is 4725, while the sum is 28.

The square root of 71533153 is about 8457.7274134368. The cubic root of 71533153 is about 415.1156652485.

The spelling of 71533153 in words is "seventy-one million, five hundred thirty-three thousand, one hundred fifty-three".

Divisors: 1 67 139 7681 9313 514627 1067659 71533153