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689032 = 23432003
BaseRepresentation
bin10101000001110001000
31022000011201
42220032020
5134022112
622433544
75566561
oct2501610
91260151
10689032
11430753
122928b4
131b1816
1413d168
15d9257
hexa8388

689032 has 16 divisors (see below), whose sum is σ = 1322640. Its totient is φ = 336336.

The previous prime is 689021. The next prime is 689033. The reversal of 689032 is 230986.

It is not an unprimeable number, because it can be changed into a prime (689033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (82665).

2689032 is an apocalyptic number.

It is an amenable number.

689032 is a deficient number, since it is larger than the sum of its proper divisors (633608).

689032 is a wasteful number, since it uses less digits than its factorization.

689032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 689032 is about 830.0795142635. The cubic root of 689032 is about 88.3242172468.

The spelling of 689032 in words is "six hundred eighty-nine thousand, thirty-two".

Divisors: 1 2 4 8 43 86 172 344 2003 4006 8012 16024 86129 172258 344516 689032