Search a number
-
+
187880082 = 231319712227
BaseRepresentation
bin10110011001011…
…01001010010010
3111002112022000120
423030231022102
5341044130312
630350531110
74440645225
oct1314551222
9432468016
10187880082
11970650a5
1252b06a96
132cc02860
141ad495bc
151176328c
hexb32d292

187880082 has 32 divisors (see below), whose sum is σ = 406752192. Its totient is φ = 57511104.

The previous prime is 187880053. The next prime is 187880083. The reversal of 187880082 is 280088781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (187880083) 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 15 ways as a sum of consecutive naturals, for example, 9253 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (12711006).

Almost surely, 2187880082 is an apocalyptic number.

187880082 is an abundant number, since it is smaller than the sum of its proper divisors (218872110).

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

187880082 is a wasteful number, since it uses less digits than its factorization.

187880082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 187880082 is about 13706.9355437311. The cubic root of 187880082 is about 572.7436027181.

The spelling of 187880082 in words is "one hundred eighty-seven million, eight hundred eighty thousand, eighty-two".

Divisors: 1 2 3 6 13 26 39 78 197 394 591 1182 2561 5122 7683 12227 15366 24454 36681 73362 158951 317902 476853 953706 2408719 4817438 7226157 14452314 31313347 62626694 93940041 187880082