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690355036 = 22724655537
BaseRepresentation
bin101001001001011…
…111101101011100
31210010000200002001
4221021133231130
52403212330121
6152300412044
723051630620
oct5111375534
91703020061
10690355036
11324761a58
12173247024
13b0043307
1467987180
1540919991
hex2925fb5c

690355036 has 12 divisors (see below), whose sum is σ = 1380710128. Its totient is φ = 295866432.

The previous prime is 690355033. The next prime is 690355093. The reversal of 690355036 is 630553096.

690355036 is an admirable number.

It is a super-2 number, since 2×6903550362 = 953180151461122592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690354986 and 690355004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690355031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12327741 + ... + 12327796.

Almost surely, 2690355036 is an apocalyptic number.

It is an amenable number.

690355036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

690355036 is a wasteful number, since it uses less digits than its factorization.

690355036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24655548 (or 24655546 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 690355036 is about 26274.6081987915. The cubic root of 690355036 is about 883.8071264205.

The spelling of 690355036 in words is "six hundred ninety million, three hundred fifty-five thousand, thirty-six".

Divisors: 1 2 4 7 14 28 24655537 49311074 98622148 172588759 345177518 690355036