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88297321 = 712613903
BaseRepresentation
bin1010100001101…
…00111101101001
320011010222011011
411100310331221
5140101003241
612432303521
72121341410
oct520647551
9204128134
1088297321
11459290a2
12256a1ba1
13153a6c48
14ba26477
157b42281
hex5434f69

88297321 has 4 divisors (see below), whose sum is σ = 100911232. Its totient is φ = 75683412.

The previous prime is 88297289. The next prime is 88297327. The reversal of 88297321 is 12379288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88297321 - 25 = 88297289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88297327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6306945 + ... + 6306958.

It is an arithmetic number, because the mean of its divisors is an integer number (25227808).

Almost surely, 288297321 is an apocalyptic number.

It is an amenable number.

88297321 is a deficient number, since it is larger than the sum of its proper divisors (12613911).

88297321 is a wasteful number, since it uses less digits than its factorization.

88297321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613910.

The product of its digits is 48384, while the sum is 40.

The square root of 88297321 is about 9396.6654191793. The cubic root of 88297321 is about 445.2963913598.

The spelling of 88297321 in words is "eighty-eight million, two hundred ninety-seven thousand, three hundred twenty-one".

Divisors: 1 7 12613903 88297321