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68627430 = 23251967599
BaseRepresentation
bin1000001011100…
…10101111100110
311210010122010200
410011302233212
5120032034210
610450531330
71462215654
oct405625746
9153118120
1068627430
1135813893
121ab96b46
13112aab61
149185dd4
1560590c0
hex4172be6

68627430 has 96 divisors (see below), whose sum is σ = 190944000. Its totient is φ = 17050176.

The previous prime is 68627389. The next prime is 68627431. The reversal of 68627430 is 3472686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68627431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114271 + ... + 114869.

It is an arithmetic number, because the mean of its divisors is an integer number (1989000).

Almost surely, 268627430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68627430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95472000).

68627430 is an abundant number, since it is smaller than the sum of its proper divisors (122316570).

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

68627430 is a wasteful number, since it uses less digits than its factorization.

68627430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 68627430 is about 8284.1674295007. The cubic root of 68627430 is about 409.4170378523.

The spelling of 68627430 in words is "sixty-eight million, six hundred twenty-seven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 67 90 95 114 134 171 190 201 285 335 342 402 570 599 603 670 855 1005 1198 1206 1273 1710 1797 2010 2546 2995 3015 3594 3819 5391 5990 6030 6365 7638 8985 10782 11381 11457 12730 17970 19095 22762 22914 26955 34143 38190 40133 53910 56905 57285 68286 80266 102429 113810 114570 120399 170715 200665 204858 240798 341430 361197 401330 512145 601995 722394 762527 1024290 1203990 1525054 1805985 2287581 3611970 3812635 4575162 6862743 7625270 11437905 13725486 22875810 34313715 68627430