Search a number
-
+
52101500 = 2253119473
BaseRepresentation
bin1100011011000…
…0000101111100
310122001000211012
43012300011330
5101314222000
65100414352
71201566263
oct306600574
9118030735
1052101500
11274566a0
12155473b8
13aa42ab9
146cc35da
154892735
hex31b017c

52101500 has 48 divisors (see below), whose sum is σ = 124147296. Its totient is φ = 18944000.

The previous prime is 52101499. The next prime is 52101523. The reversal of 52101500 is 510125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (2586402).

Almost surely, 252101500 is an apocalyptic number.

52101500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52101500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62073648).

52101500 is an abundant number, since it is smaller than the sum of its proper divisors (72045796).

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

52101500 is a wasteful number, since it uses less digits than its factorization.

52101500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503 (or 9491 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 52101500 is about 7218.1368787243. The cubic root of 52101500 is about 373.4938103318.

Adding to 52101500 its reverse (510125), we get a palindrome (52611625).

The spelling of 52101500 in words is "fifty-two million, one hundred one thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 9473 18946 37892 47365 94730 104203 189460 208406 236825 416812 473650 521015 947300 1042030 1184125 2084060 2368250 2605075 4736500 5210150 10420300 13025375 26050750 52101500