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195514960 = 24517233617
BaseRepresentation
bin10111010011101…
…01001001010000
3111121220012002211
423221311021100
5400022434320
631222321504
74562564314
oct1351651120
9447805084
10195514960
11a03aa313
1255589294
1331676a34
141bd75b44
151227055a
hexba75250

195514960 has 80 divisors (see below), whose sum is σ = 484160976. Its totient is φ = 73170944.

The previous prime is 195514903. The next prime is 195514981. The reversal of 195514960 is 69415591.

195514960 = 2262 + 2272 + ... + 8422.

It can be written as a sum of positive squares in 8 ways, for example, as 28174864 + 167340096 = 5308^2 + 12936^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 316572 + ... + 317188.

Almost surely, 2195514960 is an apocalyptic number.

195514960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195514960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242080488).

195514960 is an abundant number, since it is smaller than the sum of its proper divisors (288646016).

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

195514960 is a wasteful number, since it uses less digits than its factorization.

195514960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 195514960 is about 13982.6664123836. Note that the first 3 decimals coincide. The cubic root of 195514960 is about 580.3990119997.

The spelling of 195514960 in words is "one hundred ninety-five million, five hundred fourteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 233 272 340 466 617 680 932 1165 1234 1360 1864 2330 2468 3085 3728 3961 4660 4936 6170 7922 9320 9872 10489 12340 15844 18640 19805 20978 24680 31688 39610 41956 49360 52445 63376 79220 83912 104890 143761 158440 167824 209780 287522 316880 419560 575044 718805 839120 1150088 1437610 2300176 2443937 2875220 4887874 5750440 9775748 11500880 12219685 19551496 24439370 39102992 48878740 97757480 195514960