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144232430 = 2569120873
BaseRepresentation
bin10001001100011…
…00111111101110
3101001101202200212
420212030333232
5243410414210
622151222422
73400645466
oct1046147756
9331352625
10144232430
1174462a61
1240377a12
1323b5c944
1415226ba6
15c9e0805
hex898cfee

144232430 has 16 divisors (see below), whose sum is σ = 260006544. Its totient is φ = 57606720.

The previous prime is 144232427. The next prime is 144232481. The reversal of 144232430 is 34232441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144232396 and 144232405.

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, 3527 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (16250409).

Almost surely, 2144232430 is an apocalyptic number.

144232430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144232430 is a deficient number, since it is larger than the sum of its proper divisors (115774114).

144232430 is a wasteful number, since it uses less digits than its factorization.

144232430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571.

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

The square root of 144232430 is about 12009.6806785193. The cubic root of 144232430 is about 524.4301360081.

Adding to 144232430 its reverse (34232441), we get a palindrome (178464871).

The spelling of 144232430 in words is "one hundred forty-four million, two hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 691 1382 3455 6910 20873 41746 104365 208730 14423243 28846486 72116215 144232430