Search a number
-
+
52724844 = 2234162731
BaseRepresentation
bin1100100100100…
…0010001101100
310200012200220000
43021020101230
5101444143334
65122024300
71210103514
oct311102154
9120180800
1052724844
1127841a57
12157a8090
13ac00743
147006844
154967299
hex324846c

52724844 has 30 divisors (see below), whose sum is σ = 137834004. Its totient is φ = 17574840.

The previous prime is 52724827. The next prime is 52724857. The reversal of 52724844 is 44842725.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52724799 and 52724808.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81042 + ... + 81689.

Almost surely, 252724844 is an apocalyptic number.

52724844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52724844 is an abundant number, since it is smaller than the sum of its proper divisors (85109160).

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

52724844 is a wasteful number, since it uses less digits than its factorization.

52724844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162747 (or 162736 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 52724844 is about 7261.1875061866. The cubic root of 52724844 is about 374.9774066388.

The spelling of 52724844 in words is "fifty-two million, seven hundred twenty-four thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 162731 325462 488193 650924 976386 1464579 1952772 2929158 4393737 5858316 8787474 13181211 17574948 26362422 52724844