Search a number
-
+
52972338 = 238828723
BaseRepresentation
bin1100101000010…
…0101100110010
310200200021101110
43022010230302
5102030103323
65131214150
71212154206
oct312045462
9120607343
1052972338
11279a09a1
12158a7356
13ac892a3
14706cb06
1549b5793
hex3284b32

52972338 has 8 divisors (see below), whose sum is σ = 105944688. Its totient is φ = 17657444.

The previous prime is 52972333. The next prime is 52972351. The reversal of 52972338 is 83327925.

It is a sphenic number, since it is the product of 3 distinct primes.

52972338 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52972296 and 52972305.

It is not an unprimeable number, because it can be changed into a prime (52972333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414356 + ... + 4414367.

It is an arithmetic number, because the mean of its divisors is an integer number (13243086).

Almost surely, 252972338 is an apocalyptic number.

52972338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52972338 is a wasteful number, since it uses less digits than its factorization.

52972338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8828728.

The product of its digits is 90720, while the sum is 39.

The square root of 52972338 is about 7278.2098073633. The cubic root of 52972338 is about 375.5632141272.

The spelling of 52972338 in words is "fifty-two million, nine hundred seventy-two thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 8828723 17657446 26486169 52972338