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80226686 = 2157255499
BaseRepresentation
bin1001100100000…
…10100101111110
312120221221022202
410302002211332
5131014223221
611543311502
71662626021
oct462024576
9176857282
1080226686
1141316551
1222a4b592
131380c617
14a9251b8
15709ad0b
hex4c8297e

80226686 has 8 divisors (see below), whose sum is σ = 121107000. Its totient is φ = 39857688.

The previous prime is 80226649. The next prime is 80226701. The reversal of 80226686 is 68662208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×802266862 = 12872642293085192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 127436 + ... + 128063.

It is an arithmetic number, because the mean of its divisors is an integer number (15138375).

Almost surely, 280226686 is an apocalyptic number.

80226686 is a deficient number, since it is larger than the sum of its proper divisors (40880314).

80226686 is a wasteful number, since it uses less digits than its factorization.

80226686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255658.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 80226686 is about 8956.9350784741. The cubic root of 80226686 is about 431.2935376894.

The spelling of 80226686 in words is "eighty million, two hundred twenty-six thousand, six hundred eighty-six".

Divisors: 1 2 157 314 255499 510998 40113343 80226686