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68183436 = 2236179209
BaseRepresentation
bin1000001000001…
…10010110001100
311202022002002110
410010012112030
5114423332221
610433224020
71455356346
oct404062614
9152262073
1068183436
1135540252
121aa02010
1311183a39
1490ac296
155ebc776
hex410658c

68183436 has 24 divisors (see below), whose sum is σ = 159369840. Its totient is φ = 22688512.

The previous prime is 68183429. The next prime is 68183441. The reversal of 68183436 is 63438186.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68183394 and 68183403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (6640410).

Almost surely, 268183436 is an apocalyptic number.

It is an amenable number.

68183436 is an abundant number, since it is smaller than the sum of its proper divisors (91186404).

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

68183436 is a wasteful number, since it uses less digits than its factorization.

68183436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9831 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 68183436 is about 8257.3262016224. The cubic root of 68183436 is about 408.5322014879.

The spelling of 68183436 in words is "sixty-eight million, one hundred eighty-three thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 617 1234 1851 2468 3702 7404 9209 18418 27627 36836 55254 110508 5681953 11363906 17045859 22727812 34091718 68183436