Search a number
-
+
52136800 = 255265171
BaseRepresentation
bin1100011011100…
…0101101100000
310122002211020121
43012320231200
5101321334200
65101250024
71202104222
oct306705540
9118084217
1052136800
1127480171
1215563914
13aa55ba1
146cd2412
15489ce1a
hex31b8b60

52136800 has 36 divisors (see below), whose sum is σ = 127280916. Its totient is φ = 20854400.

The previous prime is 52136783. The next prime is 52136831. The reversal of 52136800 is 863125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31786 + ... + 33385.

It is an arithmetic number, because the mean of its divisors is an integer number (3535581).

Almost surely, 252136800 is an apocalyptic number.

52136800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52136800 is an abundant number, since it is smaller than the sum of its proper divisors (75144116).

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

52136800 is a wasteful number, since it uses less digits than its factorization.

52136800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65191 (or 65178 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 52136800 is about 7220.5816940188. The cubic root of 52136800 is about 373.5781415894.

Adding to 52136800 its reverse (863125), we get a palindrome (52999925).

The spelling of 52136800 in words is "fifty-two million, one hundred thirty-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 65171 130342 260684 325855 521368 651710 1042736 1303420 1629275 2085472 2606840 3258550 5213680 6517100 10427360 13034200 26068400 52136800