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52320233 = 767281397
BaseRepresentation
bin1100011110010…
…1011111101001
310122110010212102
43013211133221
5101343221413
65105223145
71203500060
oct307453751
9118403772
1052320233
1127595a69
1215631ab5
13aabb524
146d3d1d7
1548d7458
hex31e57e9

52320233 has 16 divisors (see below), whose sum is σ = 61056384. Its totient is φ = 43908480.

The previous prime is 52320227. The next prime is 52320253. The reversal of 52320233 is 33202325.

It is not a de Polignac number, because 52320233 - 218 = 52058089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52320253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131591 + ... + 131987.

It is an arithmetic number, because the mean of its divisors is an integer number (3816024).

Almost surely, 252320233 is an apocalyptic number.

It is an amenable number.

52320233 is a deficient number, since it is larger than the sum of its proper divisors (8736151).

52320233 is a wasteful number, since it uses less digits than its factorization.

52320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 52320233 is about 7233.2726341539. The cubic root of 52320233 is about 374.0157490008.

Adding to 52320233 its reverse (33202325), we get a palindrome (85522558).

The spelling of 52320233 in words is "fifty-two million, three hundred twenty thousand, two hundred thirty-three".

Divisors: 1 7 67 281 397 469 1967 2779 18827 26599 111557 131789 186193 780899 7474319 52320233