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88293821 = 7112104243
BaseRepresentation
bin1010100001101…
…00000110111101
320011010210100112
411100310012331
5140100400241
612432235405
72121325250
oct520640675
9204123315
1088293821
1145926500
122569bb65
13153a5485
14ba25097
157b411eb
hex54341bd

88293821 has 12 divisors (see below), whose sum is σ = 110915616. Its totient is φ = 68799720.

The previous prime is 88293781. The next prime is 88293827. The reversal of 88293821 is 12839288.

It is a happy number.

It is not a de Polignac number, because 88293821 - 210 = 88292797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88293827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51275 + ... + 52968.

It is an arithmetic number, because the mean of its divisors is an integer number (9242968).

Almost surely, 288293821 is an apocalyptic number.

It is an amenable number.

88293821 is a deficient number, since it is larger than the sum of its proper divisors (22621795).

88293821 is a wasteful number, since it uses less digits than its factorization.

88293821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104272 (or 104261 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 88293821 is about 9396.4791810550. The cubic root of 88293821 is about 445.2905076103.

The spelling of 88293821 in words is "eighty-eight million, two hundred ninety-three thousand, eight hundred twenty-one".

Divisors: 1 7 11 77 121 847 104243 729701 1146673 8026711 12613403 88293821