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68284968 = 2332845207
BaseRepresentation
bin1000001000111…
…11001000101000
311202111020100220
410010133020220
5114440104333
610435330040
71456261353
oct404371050
9152436326
1068284968
11355aa564
121aa50920
13111bb00b
1490d729a
155edc8b3
hex411f228

68284968 has 16 divisors (see below), whose sum is σ = 170712480. Its totient is φ = 22761648.

The previous prime is 68284963. The next prime is 68284973. The reversal of 68284968 is 86948286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68284963) and next prime (68284973).

It is a super-2 number, since 2×682849682 = 9325673709522048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68284968.

It is not an unprimeable number, because it can be changed into a prime (68284963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422580 + ... + 1422627.

It is an arithmetic number, because the mean of its divisors is an integer number (10669530).

Almost surely, 268284968 is an apocalyptic number.

It is an amenable number.

68284968 is an abundant number, since it is smaller than the sum of its proper divisors (102427512).

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

68284968 is a wasteful number, since it uses less digits than its factorization.

68284968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845216 (or 2845212 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 68284968 is about 8263.4719095547. The cubic root of 68284968 is about 408.7348827747.

The spelling of 68284968 in words is "sixty-eight million, two hundred eighty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 2845207 5690414 8535621 11380828 17071242 22761656 34142484 68284968