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71890795 = 514378159
BaseRepresentation
bin1000100100011…
…11011101101011
312000021102122001
410102033131223
5121401001140
611044511431
71532030104
oct422173553
9160242561
1071890795
1137642689
12200ab577
1311b81342
1497953ab
1564a0e9a
hex448f76b

71890795 has 4 divisors (see below), whose sum is σ = 86268960. Its totient is φ = 57512632.

The previous prime is 71890789. The next prime is 71890811. The reversal of 71890795 is 59709817.

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 71890795 - 221 = 69793643 is a prime.

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, 7189075 + ... + 7189084.

It is an arithmetic number, because the mean of its divisors is an integer number (21567240).

Almost surely, 271890795 is an apocalyptic number.

71890795 is a deficient number, since it is larger than the sum of its proper divisors (14378165).

71890795 is a wasteful number, since it uses less digits than its factorization.

71890795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378164.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 71890795 is about 8478.8439660133. The cubic root of 71890795 is about 415.8063289661.

The spelling of 71890795 in words is "seventy-one million, eight hundred ninety thousand, seven hundred ninety-five".

Divisors: 1 5 14378159 71890795