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690565096 = 23132510773
BaseRepresentation
bin101001001010010…
…010111111101000
31210010102100020001
4221022102333220
52403241040341
6152305112344
723053464214
oct5112227750
91703370201
10690565096
11324895861
121733286b4
13b00b7b00
14679dd944
154095bd31
hex29292fe8

690565096 has 24 divisors (see below), whose sum is σ = 1402074630. Its totient is φ = 318721728.

The previous prime is 690565093. The next prime is 690565111.

It is a happy number.

690565096 is nontrivially palindromic in base 10.

690565096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 461648196 + 228916900 = 21486^2 + 15130^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (690565093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254035 + ... + 256738.

Almost surely, 2690565096 is an apocalyptic number.

It is an amenable number.

690565096 is an abundant number, since it is smaller than the sum of its proper divisors (711509534).

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

690565096 is a wasteful number, since it uses less digits than its factorization.

690565096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510805 (or 510788 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 690565096 is about 26278.6052902356. The cubic root of 690565096 is about 883.8967584159.

The spelling of 690565096 in words is "six hundred ninety million, five hundred sixty-five thousand, ninety-six".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 510773 1021546 2043092 4086184 6640049 13280098 26560196 53120392 86320637 172641274 345282548 690565096