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675135978 = 231127736929
BaseRepresentation
bin101000001111011…
…100000111101010
31202001101110110020
4220033130013222
52340313322403
6150554301310
722505363316
oct5017340752
91661343406
10675135978
11317107720
1216a127836
13a9b4505a
1465944b46
153e410453
hex283dc1ea

675135978 has 32 divisors (see below), whose sum is σ = 1478381760. Its totient is φ = 203842560.

The previous prime is 675135941. The next prime is 675136001. The reversal of 675135978 is 879531576.

675135978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 675135978.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 36746.

It is an arithmetic number, because the mean of its divisors is an integer number (46199430).

Almost surely, 2675135978 is an apocalyptic number.

675135978 is an abundant number, since it is smaller than the sum of its proper divisors (803245782).

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

675135978 is a wasteful number, since it uses less digits than its factorization.

675135978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37222.

The product of its digits is 1587600, while the sum is 51.

The square root of 675135978 is about 25983.3788795838. The cubic root of 675135978 is about 877.2642215214.

The spelling of 675135978 in words is "six hundred seventy-five million, one hundred thirty-five thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 277 554 831 1662 3047 6094 9141 18282 36929 73858 110787 221574 406219 812438 1218657 2437314 10229333 20458666 30687999 61375998 112522663 225045326 337567989 675135978