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52097091 = 3103168599
BaseRepresentation
bin1100011010111…
…1000001000011
310122000210202220
43012233001003
5101314101331
65100342123
71201550364
oct306570103
9118023686
1052097091
1127453352
1215544943
13aa40aa7
146cc1b6b
154891296
hex31af043

52097091 has 8 divisors (see below), whose sum is σ = 70137600. Its totient is φ = 34393992.

The previous prime is 52097077. The next prime is 52097099. The reversal of 52097091 is 19079025.

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

It is not a de Polignac number, because 52097091 - 210 = 52096067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52097099) 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, 83991 + ... + 84608.

It is an arithmetic number, because the mean of its divisors is an integer number (8767200).

Almost surely, 252097091 is an apocalyptic number.

52097091 is a deficient number, since it is larger than the sum of its proper divisors (18040509).

52097091 is a wasteful number, since it uses less digits than its factorization.

52097091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168705.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 52097091 is about 7217.8314610415. The cubic root of 52097091 is about 373.4832746104.

The spelling of 52097091 in words is "fifty-two million, ninety-seven thousand, ninety-one".

Divisors: 1 3 103 309 168599 505797 17365697 52097091