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689375132 = 22478941201
BaseRepresentation
bin101001000101110…
…000011110011100
31210001011212220022
4221011300132130
52402440001012
6152223411312
723040410015
oct5105603634
91701155808
10689375132
11324152816
12172a53b38
13aca8c2a4
14677b000c
15407c4472
hex2917079c

689375132 has 24 divisors (see below), whose sum is σ = 1245948480. Its totient is φ = 333555200.

The previous prime is 689375129. The next prime is 689375161. The reversal of 689375132 is 231573986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3869 + ... + 37332.

It is an arithmetic number, because the mean of its divisors is an integer number (51914520).

Almost surely, 2689375132 is an apocalyptic number.

It is an amenable number.

689375132 is a deficient number, since it is larger than the sum of its proper divisors (556573348).

689375132 is a wasteful number, since it uses less digits than its factorization.

689375132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41341 (or 41339 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 689375132 is about 26255.9542199479. The cubic root of 689375132 is about 883.3887638014.

The spelling of 689375132 in words is "six hundred eighty-nine million, three hundred seventy-five thousand, one hundred thirty-two".

Divisors: 1 2 4 47 89 94 178 188 356 4183 8366 16732 41201 82402 164804 1936447 3666889 3872894 7333778 7745788 14667556 172343783 344687566 689375132