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243422304 = 25313011949
BaseRepresentation
bin11101000001001…
…01010001100000
3121222001010121220
432200211101200
5444304003204
640053215040
76014025006
oct1640452140
9558033556
10243422304
11115450864
1269631480
133b57b788
1424486a76
15165851d9
hexe825460

243422304 has 48 divisors (see below), whose sum is σ = 639802800. Its totient is φ = 81036800.

The previous prime is 243422299. The next prime is 243422321. The reversal of 243422304 is 403224342.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123922 + ... + 125870.

It is an arithmetic number, because the mean of its divisors is an integer number (13329225).

Almost surely, 2243422304 is an apocalyptic number.

243422304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243422304 is an abundant number, since it is smaller than the sum of its proper divisors (396380496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243422304 is a wasteful number, since it uses less digits than its factorization.

243422304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 243422304 is about 15601.9967952823. The cubic root of 243422304 is about 624.3864305959.

Adding to 243422304 its reverse (403224342), we get a palindrome (646646646).

The spelling of 243422304 in words is "two hundred forty-three million, four hundred twenty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1301 1949 2602 3898 3903 5204 5847 7796 7806 10408 11694 15592 15612 20816 23388 31184 31224 41632 46776 62368 62448 93552 124896 187104 2535649 5071298 7606947 10142596 15213894 20285192 30427788 40570384 60855576 81140768 121711152 243422304