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68160430 = 2513836317
BaseRepresentation
bin1000001000000…
…00101110101110
311202020220112101
410010000232232
5114422113210
610432525314
71455232312
oct404005656
9152226471
1068160430
1135524a38
121a9b083a
1311176420
1490a3b42
155eb5a3a
hex4100bae

68160430 has 32 divisors (see below), whose sum is σ = 133739424. Its totient is φ = 24859776.

The previous prime is 68160419. The next prime is 68160473. The reversal of 68160430 is 3406186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7632 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (4179357).

Almost surely, 268160430 is an apocalyptic number.

68160430 is a deficient number, since it is larger than the sum of its proper divisors (65578994).

68160430 is a wasteful number, since it uses less digits than its factorization.

68160430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 68160430 is about 8255.9330181391. The cubic root of 68160430 is about 408.4862482493.

The spelling of 68160430 in words is "sixty-eight million, one hundred sixty thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 83 130 166 415 830 1079 2158 5395 6317 10790 12634 31585 63170 82121 164242 410605 524311 821210 1048622 2621555 5243110 6816043 13632086 34080215 68160430