Search a number
-
+
52155192 = 23310919937
BaseRepresentation
bin1100011011110…
…1001100111000
310122010202110210
43012331030320
5101322431232
65101511120
71202211645
oct306751470
9118122423
1052155192
1127492a71
12155724a0
13aa6137b
146cd8dcc
1548a35cc
hex31bd338

52155192 has 32 divisors (see below), whose sum is σ = 131590800. Its totient is φ = 17224704.

The previous prime is 52155143. The next prime is 52155199. The reversal of 52155192 is 29155125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7353 + ... + 12584.

Almost surely, 252155192 is an apocalyptic number.

It is an amenable number.

52155192 is an abundant number, since it is smaller than the sum of its proper divisors (79435608).

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

52155192 is a wasteful number, since it uses less digits than its factorization.

52155192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055 (or 20051 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 52155192 is about 7221.8551633220. The cubic root of 52155192 is about 373.6220647647.

The spelling of 52155192 in words is "fifty-two million, one hundred fifty-five thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 109 218 327 436 654 872 1308 2616 19937 39874 59811 79748 119622 159496 239244 478488 2173133 4346266 6519399 8692532 13038798 17385064 26077596 52155192