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89705369 = 132796719
BaseRepresentation
bin1010101100011…
…00101110011001
320020210111122002
411112030232121
5140431032434
612522410345
72136324455
oct526145631
9206714562
1089705369
11466aaa76
12260609b5
131577ab00
14bcb1665
157d1e57e
hex558cb99

89705369 has 12 divisors (see below), whose sum is σ = 98380800. Its totient is φ = 81744624.

The previous prime is 89705347. The next prime is 89705383. The reversal of 89705369 is 96350798.

It is not a de Polignac number, because 89705369 - 28 = 89705113 is a prime.

It is a super-2 number, since 2×897053692 = 16094106454852322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89701369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9992 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (8198400).

Almost surely, 289705369 is an apocalyptic number.

It is an amenable number.

89705369 is a deficient number, since it is larger than the sum of its proper divisors (8675431).

89705369 is a wasteful number, since it uses less digits than its factorization.

89705369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 89705369 is about 9471.2918337469. The cubic root of 89705369 is about 447.6509175446.

The spelling of 89705369 in words is "eighty-nine million, seven hundred five thousand, three hundred sixty-nine".

Divisors: 1 13 79 169 1027 6719 13351 87347 530801 1135511 6900413 89705369