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323245421 = 347931543
BaseRepresentation
bin10011010001000…
…101010101101101
3211112020120100122
4103101011111231
51130222323141
652024134325
711003353322
oct2321052555
9745216318
10323245421
11156511084
12903073a5
1351c794a5
1430d04b49
151d5a164b
hex1344556d

323245421 has 4 divisors (see below), whose sum is σ = 324177312. Its totient is φ = 322313532.

The previous prime is 323245411. The next prime is 323245441. The reversal of 323245421 is 124542323.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124542323 = 177326019.

It is a cyclic number.

It is not a de Polignac number, because 323245421 - 226 = 256136557 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323245411) 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, 465425 + ... + 466118.

It is an arithmetic number, because the mean of its divisors is an integer number (81044328).

Almost surely, 2323245421 is an apocalyptic number.

It is an amenable number.

323245421 is a deficient number, since it is larger than the sum of its proper divisors (931891).

323245421 is an equidigital number, since it uses as much as digits as its factorization.

323245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931890.

The product of its digits is 5760, while the sum is 26.

The square root of 323245421 is about 17979.0272539979. The cubic root of 323245421 is about 686.2949351854.

Adding to 323245421 its reverse (124542323), we get a palindrome (447787744).

The spelling of 323245421 in words is "three hundred twenty-three million, two hundred forty-five thousand, four hundred twenty-one".

Divisors: 1 347 931543 323245421