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232124021 = 450751503
BaseRepresentation
bin11011101010111…
…10111001110101
3121011210010021222
431311132321311
5433410432041
635011120125
75516010263
oct1565367165
9534703258
10232124021
1110a034238
12658a3045
1339123cbc
1422b85433
15155a274b
hexdd5ee75

232124021 has 4 divisors (see below), whose sum is σ = 232180032. Its totient is φ = 232068012.

The previous prime is 232124003. The next prime is 232124059. The reversal of 232124021 is 120421232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232124021 - 214 = 232107637 is a prime.

It is a super-2 number, since 2×2321240212 = 107763122250416882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232124521) 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 3 ways as a sum of consecutive naturals, for example, 21245 + ... + 30258.

It is an arithmetic number, because the mean of its divisors is an integer number (58045008).

Almost surely, 2232124021 is an apocalyptic number.

It is an amenable number.

232124021 is a deficient number, since it is larger than the sum of its proper divisors (56011).

232124021 is an equidigital number, since it uses as much as digits as its factorization.

232124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56010.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 232124021 is about 15235.6168565634. The cubic root of 232124021 is about 614.5728375305.

Adding to 232124021 its reverse (120421232), we get a palindrome (352545253).

The spelling of 232124021 in words is "two hundred thirty-two million, one hundred twenty-four thousand, twenty-one".

Divisors: 1 4507 51503 232124021