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88209069 = 3132261771
BaseRepresentation
bin1010100000111…
…11011010101101
320010222111002120
411100133122231
5140040142234
612430343153
72120523204
oct520373255
9203874076
1088209069
1145878863
122565aab9
1315375a20
14ba0223b
157b26049
hex541f6ad

88209069 has 8 divisors (see below), whose sum is σ = 126659232. Its totient is φ = 54282480.

The previous prime is 88209059. The next prime is 88209089. The reversal of 88209069 is 96090288.

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

It is not a de Polignac number, because 88209069 - 24 = 88209053 is a prime.

It is a super-2 number, since 2×882090692 = 15561679707693522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88209069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88209019) 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, 1130847 + ... + 1130924.

It is an arithmetic number, because the mean of its divisors is an integer number (15832404).

Almost surely, 288209069 is an apocalyptic number.

It is an amenable number.

88209069 is a deficient number, since it is larger than the sum of its proper divisors (38450163).

88209069 is a wasteful number, since it uses less digits than its factorization.

88209069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261787.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 88209069 is about 9391.9683240522. The cubic root of 88209069 is about 445.1479859622.

The spelling of 88209069 in words is "eighty-eight million, two hundred nine thousand, sixty-nine".

Divisors: 1 3 13 39 2261771 6785313 29403023 88209069