Search a number
-
+
80233860 = 22357191033
BaseRepresentation
bin1001100100001…
…00010110000100
312120222022011110
410302010112010
5131014440420
611543405020
71662655650
oct462042604
9176868143
1080233860
1141320983
1222a53770
1313812975
14a927a60
15709cee0
hex4c84584

80233860 has 48 divisors (see below), whose sum is σ = 256749696. Its totient is φ = 18339072.

The previous prime is 80233847. The next prime is 80233873. The reversal of 80233860 is 6833208.

It is an interprime number because it is at equal distance from previous prime (80233847) and next prime (80233873).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95097 + ... + 95936.

It is an arithmetic number, because the mean of its divisors is an integer number (5348952).

Almost surely, 280233860 is an apocalyptic number.

It is an amenable number.

80233860 is an abundant number, since it is smaller than the sum of its proper divisors (176515836).

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

80233860 is a wasteful number, since it uses less digits than its factorization.

80233860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191052 (or 191050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 80233860 is about 8957.3355413315. The cubic root of 80233860 is about 431.3063929614.

The spelling of 80233860 in words is "eighty million, two hundred thirty-three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 191033 382066 573099 764132 955165 1146198 1337231 1910330 2292396 2674462 2865495 3820660 4011693 5348924 5730990 6686155 8023386 11461980 13372310 16046772 20058465 26744620 40116930 80233860