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68845863 = 337620233
BaseRepresentation
bin1000001101010…
…00000100100111
311210112201202210
410012220010213
5120111031423
610455334503
71464115542
oct406500447
9153481683
1068845863
1135952a09
121b081433
13113563c8
149201859
15609db93
hex41a8127

68845863 has 8 divisors (see below), whose sum is σ = 94275568. Its totient is φ = 44656704.

The previous prime is 68845859. The next prime is 68845867. The reversal of 68845863 is 36854886.

It is an interprime number because it is at equal distance from previous prime (68845859) and next prime (68845867).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68845863 - 22 = 68845859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68845867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310006 + ... + 310227.

It is an arithmetic number, because the mean of its divisors is an integer number (11784446).

Almost surely, 268845863 is an apocalyptic number.

68845863 is a deficient number, since it is larger than the sum of its proper divisors (25429705).

68845863 is a wasteful number, since it uses less digits than its factorization.

68845863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620273.

The product of its digits is 1105920, while the sum is 48.

The square root of 68845863 is about 8297.3407185676. The cubic root of 68845863 is about 409.8509531606.

The spelling of 68845863 in words is "sixty-eight million, eight hundred forty-five thousand, eight hundred sixty-three".

Divisors: 1 3 37 111 620233 1860699 22948621 68845863