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68946425 = 5213811997
BaseRepresentation
bin1000001110000…
…00100111111001
311210201211201022
410013000213321
5120122241200
610501432225
71465014662
oct407004771
9153654638
1068946425
1135a11519
121b10b675
1311390102
14922a369
1560bd885
hex41c09f9

68946425 has 12 divisors (see below), whose sum is σ = 85598316. Its totient is φ = 55089600.

The previous prime is 68946419. The next prime is 68946463. The reversal of 68946425 is 52464986.

It can be written as a sum of positive squares in 6 ways, for example, as 14600041 + 54346384 = 3821^2 + 7372^2 .

It is not a de Polignac number, because 68946425 - 214 = 68930041 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33527 + ... + 35523.

It is an arithmetic number, because the mean of its divisors is an integer number (7133193).

Almost surely, 268946425 is an apocalyptic number.

It is an amenable number.

68946425 is a deficient number, since it is larger than the sum of its proper divisors (16651891).

68946425 is a wasteful number, since it uses less digits than its factorization.

68946425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 3383 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 68946425 is about 8303.3984006550. The cubic root of 68946425 is about 410.0504102205.

The spelling of 68946425 in words is "sixty-eight million, nine hundred forty-six thousand, four hundred twenty-five".

Divisors: 1 5 25 1381 1997 6905 9985 34525 49925 2757857 13789285 68946425