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68948485 = 513789697
BaseRepresentation
bin1000001110000…
…01001000000101
311210201221112121
410013001020011
5120122322420
610501445541
71465023664
oct407011005
9153657477
1068948485
1135a13021
121b1108b1
1311391028
14922addb
1560be2aa
hex41c1205

68948485 has 4 divisors (see below), whose sum is σ = 82738188. Its totient is φ = 55158784.

The previous prime is 68948461. The next prime is 68948491. The reversal of 68948485 is 58484986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23561316 + 45387169 = 4854^2 + 6737^2 .

It is a cyclic number.

It is not a de Polignac number, because 68948485 - 29 = 68947973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6894844 + ... + 6894853.

It is an arithmetic number, because the mean of its divisors is an integer number (20684547).

Almost surely, 268948485 is an apocalyptic number.

It is an amenable number.

68948485 is a deficient number, since it is larger than the sum of its proper divisors (13789703).

68948485 is a wasteful number, since it uses less digits than its factorization.

68948485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789702.

The product of its digits is 2211840, while the sum is 52.

The square root of 68948485 is about 8303.5224453240. The cubic root of 68948485 is about 410.0544940457.

The spelling of 68948485 in words is "sixty-eight million, nine hundred forty-eight thousand, four hundred eighty-five".

Divisors: 1 5 13789697 68948485