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613606968 = 233313218521
BaseRepresentation
bin100100100100101…
…110011000111000
31120202121110112000
4210210232120320
52224040410333
6140515421000
721130400412
oct4444563070
91522543460
10613606968
11295401aa7
121515b4760
139a181160
145b6c99b2
1538d09713
hex2492e638

613606968 has 64 divisors (see below), whose sum is σ = 1835584800. Its totient is φ = 188801280.

The previous prime is 613606951. The next prime is 613606997. The reversal of 613606968 is 869606316.

It is a super-2 number, since 2×6136069682 = 753027022356306048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 106453 + ... + 112068.

Almost surely, 2613606968 is an apocalyptic number.

It is an amenable number.

613606968 is an abundant number, since it is smaller than the sum of its proper divisors (1221977832).

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

613606968 is a wasteful number, since it uses less digits than its factorization.

613606968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218549 (or 218539 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 613606968 is about 24771.0913768449. The cubic root of 613606968 is about 849.7609329981.

The spelling of 613606968 in words is "six hundred thirteen million, six hundred six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 216 234 312 351 468 702 936 1404 2808 218521 437042 655563 874084 1311126 1748168 1966689 2622252 2840773 3933378 5244504 5681546 5900067 7866756 8522319 11363092 11800134 15733512 17044638 22726184 23600268 25566957 34089276 47200536 51133914 68178552 76700871 102267828 153401742 204535656 306803484 613606968