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232234421 = 1791297399
BaseRepresentation
bin11011101011110…
…01110110110101
3121011222201201212
431311321312311
5433423000141
635013331205
75516650166
oct1565716665
9534881655
10232234421
1110a0aa181
1265936b05
1339162323
1422bb376d
15155c52eb
hexdd79db5

232234421 has 4 divisors (see below), whose sum is σ = 233532000. Its totient is φ = 230936844.

The previous prime is 232234367. The next prime is 232234439. The reversal of 232234421 is 124432232.

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 a de Polignac number, because none of the positive numbers 2k-232234421 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 (232234621) 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, 648521 + ... + 648878.

It is an arithmetic number, because the mean of its divisors is an integer number (58383000).

Almost surely, 2232234421 is an apocalyptic number.

It is an amenable number.

232234421 is a deficient number, since it is larger than the sum of its proper divisors (1297579).

232234421 is a wasteful number, since it uses less digits than its factorization.

232234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297578.

The product of its digits is 2304, while the sum is 23.

The square root of 232234421 is about 15239.2395151464. The cubic root of 232234421 is about 614.6702539710.

Adding to 232234421 its reverse (124432232), we get a palindrome (356666653).

The spelling of 232234421 in words is "two hundred thirty-two million, two hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 179 1297399 232234421