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665363050 = 252116071993
BaseRepresentation
bin100111101010001…
…010001001101010
31201100222221111221
4213222022021222
52330313104200
6150005012254
722326330652
oct4752121152
91640887457
10665363050
11311642120
121669b408a
13a7b02961
146451d362
153d62e91a
hex27a8a26a

665363050 has 48 divisors (see below), whose sum is σ = 1352984832. Its totient is φ = 241430400.

The previous prime is 665363003. The next prime is 665363057. The reversal of 665363050 is 50363566.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 665362997 and 665363015.

It is not an unprimeable number, because it can be changed into a prime (665363057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332854 + ... + 334846.

It is an arithmetic number, because the mean of its divisors is an integer number (28187184).

Almost surely, 2665363050 is an apocalyptic number.

665363050 is an abundant number, since it is smaller than the sum of its proper divisors (687621782).

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

665363050 is a wasteful number, since it uses less digits than its factorization.

665363050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 665363050 is about 25794.6321935398. The cubic root of 665363050 is about 873.0106861616.

The spelling of 665363050 in words is "six hundred sixty-five million, three hundred sixty-three thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 607 1214 1993 3035 3986 6070 6677 9965 13354 15175 19930 21923 30350 33385 43846 49825 66770 99650 109615 166925 219230 333850 548075 1096150 1209751 2419502 6048755 12097510 13307261 26614522 30243775 60487550 66536305 133072610 332681525 665363050