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690083490 = 235231000121
BaseRepresentation
bin101001001000011…
…101011010100010
31210002111212120210
4221020131122202
52403130132430
6152250514550
723046420135
oct5110353242
91702455523
10690083490
11324596a38
12173135a56
13acc79835
146791621c
15408b42b0
hex2921d6a2

690083490 has 32 divisors (see below), whose sum is σ = 1728210816. Its totient is φ = 176021120.

The previous prime is 690083489. The next prime is 690083491. The reversal of 690083490 is 94380096.

It is an interprime number because it is at equal distance from previous prime (690083489) and next prime (690083491).

It is not an unprimeable number, because it can be changed into a prime (690083491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499371 + ... + 500750.

It is an arithmetic number, because the mean of its divisors is an integer number (54006588).

Almost surely, 2690083490 is an apocalyptic number.

690083490 is an abundant number, since it is smaller than the sum of its proper divisors (1038127326).

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

690083490 is a wasteful number, since it uses less digits than its factorization.

690083490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000154.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 690083490 is about 26269.4402300468. The cubic root of 690083490 is about 883.6912315785.

The spelling of 690083490 in words is "six hundred ninety million, eighty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 1000121 2000242 3000363 5000605 6000726 10001210 15001815 23002783 30003630 46005566 69008349 115013915 138016698 230027830 345041745 690083490