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80083290 = 23571920071
BaseRepresentation
bin1001100010111…
…11100101011010
312120200122121210
410301133211122
5131000131130
611540243550
71661460660
oct461374532
9176618553
1080083290
1141228841
12229a05b6
131378c281
14a8c8c30
15706d5b0
hex4c5f95a

80083290 has 64 divisors (see below), whose sum is σ = 231229440. Its totient is φ = 17340480.

The previous prime is 80083273. The next prime is 80083319. The reversal of 80083290 is 9238008.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6046 + ... + 14025.

It is an arithmetic number, because the mean of its divisors is an integer number (3612960).

Almost surely, 280083290 is an apocalyptic number.

80083290 is an abundant number, since it is smaller than the sum of its proper divisors (151146150).

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

80083290 is a wasteful number, since it uses less digits than its factorization.

80083290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80083290 is about 8948.9267512926. The cubic root of 80083290 is about 431.0364218624.

The spelling of 80083290 in words is "eighty million, eighty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 20071 40142 60213 100355 120426 140497 200710 280994 301065 381349 421491 602130 702485 762698 842982 1144047 1404970 1906745 2107455 2288094 2669443 3813490 4214910 5338886 5720235 8008329 11440470 13347215 16016658 26694430 40041645 80083290