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144322304 = 28780537
BaseRepresentation
bin10001001101000…
…10111100000000
3101001120022222112
420212202330000
5243421303204
622153154452
73401501510
oct1046427400
9331508875
10144322304
1174514535
12403bba28
1323b91819
141524b840
15ca0c26e
hex89a2f00

144322304 has 36 divisors (see below), whose sum is σ = 329239344. Its totient is φ = 61851648.

The previous prime is 144322291. The next prime is 144322313. The reversal of 144322304 is 403223441.

It is a self number, because there is not a number n which added to its sum of digits gives 144322304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38477 + ... + 42060.

Almost surely, 2144322304 is an apocalyptic number.

144322304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144322304 is an abundant number, since it is smaller than the sum of its proper divisors (184917040).

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

144322304 is an frugal number, since it uses more digits than its factorization.

144322304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80560 (or 80546 counting only the distinct ones).

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

The square root of 144322304 is about 12013.4218272730. The cubic root of 144322304 is about 524.5390408910.

Adding to 144322304 its reverse (403223441), we get a palindrome (547545745).

The spelling of 144322304 in words is "one hundred forty-four million, three hundred twenty-two thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 80537 161074 322148 563759 644296 1127518 1288592 2255036 2577184 4510072 5154368 9020144 10308736 18040288 20617472 36080576 72161152 144322304