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68858963 = 292374447
BaseRepresentation
bin1000001101010…
…11010001010011
311210120101201222
410012223101103
5120111441323
610455515255
71464201665
oct406532123
9153511658
1068858963
1135961838
121b088b2b
131135c364
149206535
1560a29c8
hex41ab453

68858963 has 4 divisors (see below), whose sum is σ = 71233440. Its totient is φ = 66484488.

The previous prime is 68858957. The next prime is 68859023. The reversal of 68858963 is 36985886.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68858963 - 24 = 68858947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68858563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187195 + ... + 1187252.

It is an arithmetic number, because the mean of its divisors is an integer number (17808360).

Almost surely, 268858963 is an apocalyptic number.

68858963 is a deficient number, since it is larger than the sum of its proper divisors (2374477).

68858963 is a wasteful number, since it uses less digits than its factorization.

68858963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374476.

The product of its digits is 2488320, while the sum is 53.

The square root of 68858963 is about 8298.1300905686. The cubic root of 68858963 is about 409.8769470100.

The spelling of 68858963 in words is "sixty-eight million, eight hundred fifty-eight thousand, nine hundred sixty-three".

Divisors: 1 29 2374447 68858963