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88233021 = 329803669
BaseRepresentation
bin1010100001001…
…01010000111101
320011000200221200
411100211100331
5140041424041
612431050113
72120653062
oct520452075
9204020850
1088233021
1145894858
1225670939
13153838b6
14ba0ac69
157b2d1b6
hex542543d

88233021 has 6 divisors (see below), whose sum is σ = 127447710. Its totient is φ = 58822008.

The previous prime is 88233001. The next prime is 88233029. The reversal of 88233021 is 12033288.

It can be written as a sum of positive squares in only one way, i.e., 78960996 + 9272025 = 8886^2 + 3045^2 .

It is not a de Polignac number, because 88233021 - 215 = 88200253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88233029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4901826 + ... + 4901843.

It is an arithmetic number, because the mean of its divisors is an integer number (21241285).

Almost surely, 288233021 is an apocalyptic number.

It is an amenable number.

88233021 is a deficient number, since it is larger than the sum of its proper divisors (39214689).

88233021 is a wasteful number, since it uses less digits than its factorization.

88233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803675 (or 9803672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 88233021 is about 9393.2433695716. The cubic root of 88233021 is about 445.1882736550.

The spelling of 88233021 in words is "eighty-eight million, two hundred thirty-three thousand, twenty-one".

Divisors: 1 3 9 9803669 29411007 88233021