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68662192 = 244291387
BaseRepresentation
bin1000001011110…
…11001110110000
311210012101211011
410011323032300
5120034142232
610451400304
71462422214
oct405731660
9153171734
1068662192
1135837a15
121abb3094
13112c0921
149194944
156064547
hex417b3b0

68662192 has 10 divisors (see below), whose sum is σ = 133033028. Its totient is φ = 34331088.

The previous prime is 68662163. The next prime is 68662273. The reversal of 68662192 is 29126686.

It is a happy number.

It is a super-2 number, since 2×686621922 = 9428993220489728, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2145678 + ... + 2145709.

Almost surely, 268662192 is an apocalyptic number.

It is an amenable number.

68662192 is a deficient number, since it is larger than the sum of its proper divisors (64370836).

68662192 is a wasteful number, since it uses less digits than its factorization.

68662192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291395 (or 4291389 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 68662192 is about 8286.2652624690. The cubic root of 68662192 is about 409.4861538153.

The spelling of 68662192 in words is "sixty-eight million, six hundred sixty-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 4291387 8582774 17165548 34331096 68662192