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68501358 = 23224115791
BaseRepresentation
bin1000001010100…
…11111101101110
311202220020012100
410011103331232
5120014020413
610444115530
71461152262
oct405237556
9152806170
1068501358
11357380a2
121ab35ba6
1311265663
1491520a2
156031a73
hex4153f6e

68501358 has 24 divisors (see below), whose sum is σ = 149044896. Its totient is φ = 22737600.

The previous prime is 68501339. The next prime is 68501359. The reversal of 68501358 is 85310586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68501359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3558 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (6210204).

Almost surely, 268501358 is an apocalyptic number.

68501358 is an abundant number, since it is smaller than the sum of its proper divisors (80543538).

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

68501358 is a wasteful number, since it uses less digits than its factorization.

68501358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040 (or 16037 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 68501358 is about 8276.5547179971. The cubic root of 68501358 is about 409.1661776926.

The spelling of 68501358 in words is "sixty-eight million, five hundred one thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 9 18 241 482 723 1446 2169 4338 15791 31582 47373 94746 142119 284238 3805631 7611262 11416893 22833786 34250679 68501358