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232320253 = 1153398491
BaseRepresentation
bin11011101100011…
…10110011111101
3121012011002110211
431312032303331
5433433222003
635015232421
75520455344
oct1566166375
9535132424
10232320253
1110a158710
1265978711
1339192409
1422bd6b5b
15155e096d
hexdd8ecfd

232320253 has 8 divisors (see below), whose sum is σ = 258222816. Its totient is φ = 207214800.

The previous prime is 232320251. The next prime is 232320313. The reversal of 232320253 is 352023232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 232320253 - 21 = 232320251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232320251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198663 + ... + 199828.

It is an arithmetic number, because the mean of its divisors is an integer number (32277852).

Almost surely, 2232320253 is an apocalyptic number.

It is an amenable number.

232320253 is a deficient number, since it is larger than the sum of its proper divisors (25902563).

232320253 is a wasteful number, since it uses less digits than its factorization.

232320253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398555.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 232320253 is about 15242.0554060140. The cubic root of 232320253 is about 614.7459703938.

Adding to 232320253 its reverse (352023232), we get a palindrome (584343485).

The spelling of 232320253 in words is "two hundred thirty-two million, three hundred twenty thousand, two hundred fifty-three".

Divisors: 1 11 53 583 398491 4383401 21120023 232320253