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68543046 = 232111331859
BaseRepresentation
bin1000001010111…
…10001001000110
311202222100101100
410011132021012
5120021334141
610445040530
71461414645
oct405361106
9152870340
1068543046
1135766450
121ab56146
131127b620
14916335c
15603e0b6
hex415e246

68543046 has 96 divisors (see below), whose sum is σ = 180311040. Its totient is φ = 18532800.

The previous prime is 68543039. The next prime is 68543053. The reversal of 68543046 is 64034586.

It is an interprime number because it is at equal distance from previous prime (68543039) and next prime (68543053).

It is a self number, because there is not a number n which added to its sum of digits gives 68543046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79365 + ... + 80223.

It is an arithmetic number, because the mean of its divisors is an integer number (1878240).

Almost surely, 268543046 is an apocalyptic number.

68543046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68543046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90155520).

68543046 is an abundant number, since it is smaller than the sum of its proper divisors (111767994).

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

68543046 is a wasteful number, since it uses less digits than its factorization.

68543046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 68543046 is about 8279.0727741698. The cubic root of 68543046 is about 409.2491632035.

The spelling of 68543046 in words is "sixty-eight million, five hundred forty-three thousand, forty-six".

Divisors: 1 2 3 6 9 11 13 18 22 26 31 33 39 62 66 78 93 99 117 143 186 198 234 279 286 341 403 429 558 682 806 858 859 1023 1209 1287 1718 2046 2418 2574 2577 3069 3627 4433 5154 6138 7254 7731 8866 9449 11167 13299 15462 18898 22334 26598 26629 28347 33501 39897 53258 56694 67002 79794 79887 85041 100503 122837 159774 170082 201006 239661 245674 292919 346177 368511 479322 585838 692354 737022 878757 1038531 1105533 1757514 2077062 2211066 2636271 3115593 3807947 5272542 6231186 7615894 11423841 22847682 34271523 68543046