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232412421 = 377470807
BaseRepresentation
bin11011101101001…
…01010100000101
3121012022202220110
431312211110011
5433444144141
635021223233
75521321143
oct1566452405
9535282813
10232412421
1110a21098a
1265a01b19
13391c5357
1422c1c593
151560ce16
hexdda5505

232412421 has 4 divisors (see below), whose sum is σ = 309883232. Its totient is φ = 154941612.

The previous prime is 232412381. The next prime is 232412431. The reversal of 232412421 is 124214232.

232412421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 232412421 - 226 = 165303557 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 (232412431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38735401 + ... + 38735406.

It is an arithmetic number, because the mean of its divisors is an integer number (77470808).

Almost surely, 2232412421 is an apocalyptic number.

It is an amenable number.

232412421 is a deficient number, since it is larger than the sum of its proper divisors (77470811).

232412421 is an equidigital number, since it uses as much as digits as its factorization.

232412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77470810.

The product of its digits is 768, while the sum is 21.

The square root of 232412421 is about 15245.0785829395. The cubic root of 232412421 is about 614.8272553366.

Adding to 232412421 its reverse (124214232), we get a palindrome (356626653).

The spelling of 232412421 in words is "two hundred thirty-two million, four hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 77470807 232412421