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88620669 = 335416067
BaseRepresentation
bin1010100100000…
…11111001111101
320011202101201000
411102003321331
5140141330134
612443240513
72124156204
oct522037175
9204671630
1088620669
114602a025
1225819139
131548b187
14baac23b
157ba7e99
hex5483e7d

88620669 has 16 divisors (see below), whose sum is σ = 131554240. Its totient is φ = 58961520.

The previous prime is 88620667. The next prime is 88620673. The reversal of 88620669 is 96602688.

It is not a de Polignac number, because 88620669 - 21 = 88620667 is a prime.

It is a super-2 number, since 2×886206692 = 15707245948015122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88620667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11574 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (8222140).

Almost surely, 288620669 is an apocalyptic number.

It is an amenable number.

88620669 is a deficient number, since it is larger than the sum of its proper divisors (42933571).

88620669 is a wasteful number, since it uses less digits than its factorization.

88620669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 88620669 is about 9413.8551614097. The cubic root of 88620669 is about 445.8392930483.

The spelling of 88620669 in words is "eighty-eight million, six hundred twenty thousand, six hundred sixty-nine".

Divisors: 1 3 9 27 541 1623 4869 6067 14607 18201 54603 163809 3282247 9846741 29540223 88620669