Search a number
-
+
187973092 = 22122938237
BaseRepresentation
bin10110011010000…
…11110111100100
3111002201000121101
423031003313210
5341110114332
630352525444
74441513336
oct1315036744
9432630541
10187973092
1197118a6a
1252b50884
132cc35ca8
141ad71456
1511780ae7
hexb343de4

187973092 has 12 divisors (see below), whose sum is σ = 329229180. Its totient is φ = 93907616.

The previous prime is 187973083. The next prime is 187973113. The reversal of 187973092 is 290379781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153115876 + 34857216 = 12374^2 + 5904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14203 + ... + 24034.

It is an arithmetic number, because the mean of its divisors is an integer number (27435765).

Almost surely, 2187973092 is an apocalyptic number.

It is an amenable number.

187973092 is a deficient number, since it is larger than the sum of its proper divisors (141256088).

187973092 is a wasteful number, since it uses less digits than its factorization.

187973092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470 (or 39468 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 187973092 is about 13710.3279318913. The cubic root of 187973092 is about 572.8380993314.

The spelling of 187973092 in words is "one hundred eighty-seven million, nine hundred seventy-three thousand, ninety-two".

Divisors: 1 2 4 1229 2458 4916 38237 76474 152948 46993273 93986546 187973092