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68763927 = 322921309
BaseRepresentation
bin1000001100101…
…00000100010111
311210101120101010
410012110010113
5120100421202
610453503303
71463324631
oct406240427
9153346333
1068763927
11358a73a1
121b041b33
131132801b
1491bda51
15608476c
hex4194117

68763927 has 4 divisors (see below), whose sum is σ = 91685240. Its totient is φ = 45842616.

The previous prime is 68763911. The next prime is 68763941. The reversal of 68763927 is 72936786.

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

It is not a de Polignac number, because 68763927 - 24 = 68763911 is a prime.

It is a super-2 number, since 2×687639272 = 9456955312922658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68763967) 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, 11460652 + ... + 11460657.

It is an arithmetic number, because the mean of its divisors is an integer number (22921310).

Almost surely, 268763927 is an apocalyptic number.

68763927 is a deficient number, since it is larger than the sum of its proper divisors (22921313).

68763927 is a wasteful number, since it uses less digits than its factorization.

68763927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22921312.

The product of its digits is 762048, while the sum is 48.

The square root of 68763927 is about 8292.4017630600. The cubic root of 68763927 is about 409.6882957050.

The spelling of 68763927 in words is "sixty-eight million, seven hundred sixty-three thousand, nine hundred twenty-seven".

Divisors: 1 3 22921309 68763927