Search a number
80341087 = 611317067
BaseRepresentation
bin1001100100111…
…10100001011111
312121011202020211
410302132201133
5131031403322
611545553251
71663613401
oct462364137
9177152224
1080341087
11413944a2
1222aa5827
131384c708
14a954b71
1570beb77
hex4c9e85f

80341087 has 4 divisors (see below), whose sum is σ = 81658216. Its totient is φ = 79023960.

The previous prime is 80341081. The next prime is 80341091. The reversal of 80341087 is 78014308.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80341087 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 (80341081) 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, 658473 + ... + 658594.

It is an arithmetic number, because the mean of its divisors is an integer number (20414554).

Almost surely, 280341087 is an apocalyptic number.

80341087 is a deficient number, since it is larger than the sum of its proper divisors (1317129).

80341087 is a wasteful number, since it uses less digits than its factorization.

80341087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317128.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80341087 is about 8963.3189723450. The cubic root of 80341087 is about 431.4984444785.

The spelling of 80341087 in words is "eighty million, three hundred forty-one thousand, eighty-seven".

Divisors: 1 61 1317067 80341087