Search a number
-
+
323644430 = 25113286411
BaseRepresentation
bin10011010010100…
…110110000001110
3211112222211200202
4103102212300032
51130323110210
652040453502
711006634524
oct2322466016
9745884622
10323644430
1115676393a
129047a292
1352088ca5
1430daa314
151d62e9a5
hex134a6c0e

323644430 has 16 divisors (see below), whose sum is σ = 587717424. Its totient is φ = 128311680.

The previous prime is 323644427. The next prime is 323644459. The reversal of 323644430 is 34446323.

It is a junction number, because it is equal to n+sod(n) for n = 323644393 and 323644402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142076 + ... + 144335.

It is an arithmetic number, because the mean of its divisors is an integer number (36732339).

Almost surely, 2323644430 is an apocalyptic number.

323644430 is a deficient number, since it is larger than the sum of its proper divisors (264072994).

323644430 is a wasteful number, since it uses less digits than its factorization.

323644430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286531.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 323644430 is about 17990.1203442334. The cubic root of 323644430 is about 686.5772029213.

The spelling of 323644430 in words is "three hundred twenty-three million, six hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 113 226 565 1130 286411 572822 1432055 2864110 32364443 64728886 161822215 323644430