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689152074 = 231317351071
BaseRepresentation
bin101001000100111…
…010000001001010
31210000202112220220
4221010322001022
52402410331244
6152214530510
723035460502
oct5104720112
91700675826
10689152074
11324010176
12172966a36
13aca118c0
1467752a02
154077d319
hex2913a04a

689152074 has 32 divisors (see below), whose sum is σ = 1492936704. Its totient is φ = 210816960.

The previous prime is 689152073. The next prime is 689152109. The reversal of 689152074 is 470251986.

It is not an unprimeable number, because it can be changed into a prime (689152073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12042 + ... + 39029.

It is an arithmetic number, because the mean of its divisors is an integer number (46654272).

Almost surely, 2689152074 is an apocalyptic number.

689152074 is an abundant number, since it is smaller than the sum of its proper divisors (803784630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689152074 is a wasteful number, since it uses less digits than its factorization.

689152074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51262.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 689152074 is about 26251.7061159842. The cubic root of 689152074 is about 883.2934754849.

The spelling of 689152074 in words is "six hundred eighty-nine million, one hundred fifty-two thousand, seventy-four".

Divisors: 1 2 3 6 13 26 39 78 173 346 519 1038 2249 4498 6747 13494 51071 102142 153213 306426 663923 1327846 1991769 3983538 8835283 17670566 26505849 53011698 114858679 229717358 344576037 689152074