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80093012 = 22293718661
BaseRepresentation
bin1001100011000…
…01111101010100
312120201010221212
410301201331110
5131000434022
611540400552
71661531216
oct461417524
9176633855
1080093012
114123507a
12229a6158
131379381c
14a8cc5b6
1570713e2
hex4c61f54

80093012 has 24 divisors (see below), whose sum is σ = 148922760. Its totient is φ = 37618560.

The previous prime is 80093011. The next prime is 80093021. The reversal of 80093012 is 21039008.

It can be written as a sum of positive squares in 4 ways, for example, as 11600836 + 68492176 = 3406^2 + 8276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80093011) 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 in 7 ways as a sum of consecutive naturals, for example, 5039 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (6205115).

Almost surely, 280093012 is an apocalyptic number.

It is an amenable number.

80093012 is a deficient number, since it is larger than the sum of its proper divisors (68829748).

80093012 is a wasteful number, since it uses less digits than its factorization.

80093012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18731 (or 18729 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 80093012 is about 8949.4699284371. The cubic root of 80093012 is about 431.0538635639.

The spelling of 80093012 in words is "eighty million, ninety-three thousand, twelve".

Divisors: 1 2 4 29 37 58 74 116 148 1073 2146 4292 18661 37322 74644 541169 690457 1082338 1380914 2164676 2761828 20023253 40046506 80093012