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80493862 = 240246931
BaseRepresentation
bin1001100110000…
…11110100100110
312121110111211011
410303003310212
5131101300422
611553132434
71665120661
oct463036446
9177414734
1080493862
1141489259
1222b5a11a
13138a4107
14a9946d8
157100077
hex4cc3d26

80493862 has 4 divisors (see below), whose sum is σ = 120740796. Its totient is φ = 40246930.

The previous prime is 80493841. The next prime is 80493863. The reversal of 80493862 is 26839408.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80493863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123464 + ... + 20123467.

It is an arithmetic number, because the mean of its divisors is an integer number (30185199).

Almost surely, 280493862 is an apocalyptic number.

80493862 is a deficient number, since it is larger than the sum of its proper divisors (40246934).

80493862 is a wasteful number, since it uses less digits than its factorization.

80493862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40246933.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80493862 is about 8971.8371585757. The cubic root of 80493862 is about 431.7717808911.

It can be divided in two parts, 8049 and 3862, that added together give a palindrome (11911).

The spelling of 80493862 in words is "eighty million, four hundred ninety-three thousand, eight hundred sixty-two".

Divisors: 1 2 40246931 80493862