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80083212 = 223115311447
BaseRepresentation
bin1001100010111…
…11100100001100
312120200122111220
410301133210030
5131000130322
611540243340
71661460516
oct461374414
9176618456
1080083212
1141228780
12229a0550
131378c221
14a8c8bb6
15706d55c
hex4c5f90c

80083212 has 48 divisors (see below), whose sum is σ = 207712512. Its totient is φ = 23807680.

The previous prime is 80083177. The next prime is 80083229. The reversal of 80083212 is 21238008.

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 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (4327344).

Almost surely, 280083212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80083212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103856256).

80083212 is an abundant number, since it is smaller than the sum of its proper divisors (127629300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80083212 is a wasteful number, since it uses less digits than its factorization.

80083212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80083212 is about 8948.9223932270. The cubic root of 80083212 is about 431.0362819212.

The spelling of 80083212 in words is "eighty million, eighty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 53 66 106 132 159 212 318 583 636 1166 1749 2332 3498 6996 11447 22894 34341 45788 68682 125917 137364 251834 377751 503668 606691 755502 1213382 1511004 1820073 2426764 3640146 6673601 7280292 13347202 20020803 26694404 40041606 80083212