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755968 = 282953
BaseRepresentation
bin10111000100100000000
31102101222211
42320210000
5143142333
624111504
76265663
oct2704400
91371884
10755968
11476a74
12305594
13206125
141596da
15edecd
hexb8900

755968 has 18 divisors (see below), whose sum is σ = 1509494. Its totient is φ = 377856.

The previous prime is 755959. The next prime is 755969. The reversal of 755968 is 869557.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 36864 = 848^2 + 192^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 755968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221 + ... + 1732.

2755968 is an apocalyptic number.

It is an amenable number.

755968 is a deficient number, since it is larger than the sum of its proper divisors (753526).

755968 is an equidigital number, since it uses as much as digits as its factorization.

755968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2955 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 755968 is about 869.4642028284. The cubic root of 755968 is about 91.0963838095.

The spelling of 755968 in words is "seven hundred fifty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 2953 5906 11812 23624 47248 94496 188992 377984 755968