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80018795 = 516003759
BaseRepresentation
bin1001100010011…
…11110101101011
312120120101011002
410301033311223
5130441100140
611535025215
71661101643
oct461176553
9176511132
1080018795
114119433a
122296b20b
1313768acc
14a8ad523
157059415
hex4c4fd6b

80018795 has 4 divisors (see below), whose sum is σ = 96022560. Its totient is φ = 64015032.

The previous prime is 80018791. The next prime is 80018797. The reversal of 80018795 is 59781008.

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 80018795 - 22 = 80018791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80018791) 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, 8001875 + ... + 8001884.

It is an arithmetic number, because the mean of its divisors is an integer number (24005640).

Almost surely, 280018795 is an apocalyptic number.

80018795 is a deficient number, since it is larger than the sum of its proper divisors (16003765).

80018795 is a wasteful number, since it uses less digits than its factorization.

80018795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16003764.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 80018795 is about 8945.3225207367. The cubic root of 80018795 is about 430.9206791975.

The spelling of 80018795 in words is "eighty million, eighteen thousand, seven hundred ninety-five".

Divisors: 1 5 16003759 80018795