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80610244 = 221113532659
BaseRepresentation
bin1001100111000…
…00001111000100
312121200102110121
410303200033010
5131114011434
611555431324
71666114201
oct463401704
9177612417
1080610244
1141558740
1222bb5544
1313915090
14a9c4ca8
1571247b4
hex4ce03c4

80610244 has 48 divisors (see below), whose sum is σ = 168920640. Its totient is φ = 33171840.

The previous prime is 80610163. The next prime is 80610253. The reversal of 80610244 is 44201608.

It is a super-2 number, since 2×806102442 = 12996022875479072, which contains 22 as substring.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28987 + ... + 31645.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 280610244 is an apocalyptic number.

It is an amenable number.

80610244 is an abundant number, since it is smaller than the sum of its proper divisors (88310396).

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

80610244 is a wasteful number, since it uses less digits than its factorization.

80610244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80610244 is about 8978.3207784084. The cubic root of 80610244 is about 431.9797730013.

The spelling of 80610244 in words is "eighty million, six hundred ten thousand, two hundred forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 53 106 143 212 286 572 583 689 1166 1378 2332 2659 2756 5318 7579 10636 15158 29249 30316 34567 58498 69134 116996 138268 140927 281854 380237 563708 760474 1520948 1550197 1832051 3100394 3664102 6200788 7328204 20152561 40305122 80610244