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52123331 = 137950753
BaseRepresentation
bin1100011011010…
…1011011000011
310122002010202202
43012311123003
5101320421311
65101103415
71202020031
oct306653303
9118063682
1052123331
1127471037
1215557b6b
13aa4ca10
146ccb551
154898e3b
hex31b56c3

52123331 has 8 divisors (see below), whose sum is σ = 56844480. Its totient is φ = 47503872.

The previous prime is 52123319. The next prime is 52123333. The reversal of 52123331 is 13332125.

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

It is not a de Polignac number, because 52123331 - 214 = 52106947 is a prime.

It is a super-2 number, since 2×521233312 = 5433683269071122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52123333) 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, 24350 + ... + 26403.

It is an arithmetic number, because the mean of its divisors is an integer number (7105560).

Almost surely, 252123331 is an apocalyptic number.

52123331 is a deficient number, since it is larger than the sum of its proper divisors (4721149).

52123331 is a wasteful number, since it uses less digits than its factorization.

52123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50845.

The product of its digits is 540, while the sum is 20.

The square root of 52123331 is about 7219.6489526846. The cubic root of 52123331 is about 373.5459688097.

Adding to 52123331 its reverse (13332125), we get a palindrome (65455456).

The spelling of 52123331 in words is "fifty-two million, one hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 13 79 1027 50753 659789 4009487 52123331