Search a number
-
+
52355472 = 2431383903
BaseRepresentation
bin1100011110111…
…0000110010000
310122111221012120
43013232012100
5101400333342
65110054240
71204004601
oct307560620
9118457176
1052355472
112760a494
121564a380
13ab01590
146d4bda8
1548e2aec
hex31ee190

52355472 has 40 divisors (see below), whose sum is σ = 145657344. Its totient is φ = 16109184.

The previous prime is 52355449. The next prime is 52355477. The reversal of 52355472 is 27455325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52355477) 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, 41328 + ... + 42575.

Almost surely, 252355472 is an apocalyptic number.

52355472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52355472 is an abundant number, since it is smaller than the sum of its proper divisors (93301872).

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

52355472 is a wasteful number, since it uses less digits than its factorization.

52355472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83927 (or 83921 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 52355472 is about 7235.7081201497. The cubic root of 52355472 is about 374.0996998443.

The spelling of 52355472 in words is "fifty-two million, three hundred fifty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 83903 167806 251709 335612 503418 671224 1006836 1090739 1342448 2013672 2181478 3272217 4027344 4362956 6544434 8725912 13088868 17451824 26177736 52355472