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75082153 = 792334079
BaseRepresentation
bin1000111100110…
…10100110101001
312020021120100111
410132122212221
5123210112103
611241134321
71601121256
oct436324651
9166246314
1075082153
1139422373
122118a3a1
131272ab13
149d8642d
1568d186d
hex479a9a9

75082153 has 8 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 73795488.

The previous prime is 75082151. The next prime is 75082157. The reversal of 75082153 is 35128057.

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 75082153 - 21 = 75082151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75082151) 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, 16368 + ... + 20446.

It is an arithmetic number, because the mean of its divisors is an integer number (9547200).

Almost surely, 275082153 is an apocalyptic number.

It is an amenable number.

75082153 is a deficient number, since it is larger than the sum of its proper divisors (1295447).

75082153 is a wasteful number, since it uses less digits than its factorization.

75082153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 75082153 is about 8664.9958453539. The cubic root of 75082153 is about 421.8702554053.

The spelling of 75082153 in words is "seventy-five million, eighty-two thousand, one hundred fifty-three".

Divisors: 1 79 233 4079 18407 322241 950407 75082153