Search a number
-
+
144432032 = 2521121391
BaseRepresentation
bin10001001101111…
…01101110100000
3101001202220111112
420212331232200
5243433311112
622155402452
73402436433
oct1046755640
9331686445
10144432032
1174589a18
1240453428
1323bcc754
141527981a
15ca2ea22
hex89bdba0

144432032 has 24 divisors (see below), whose sum is σ = 285711552. Its totient is φ = 71870400.

The previous prime is 144431951. The next prime is 144432037. The reversal of 144432032 is 230234441.

144432032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1444320322 = 41721223735298048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144431989 and 144432007.

It is not an unprimeable number, because it can be changed into a prime (144432037) 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, 3944 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (11904648).

Almost surely, 2144432032 is an apocalyptic number.

It is an amenable number.

144432032 is a deficient number, since it is larger than the sum of its proper divisors (141279520).

144432032 is a wasteful number, since it uses less digits than its factorization.

144432032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21612 (or 21604 counting only the distinct ones).

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

The square root of 144432032 is about 12017.9878515499. The cubic root of 144432032 is about 524.6719425925.

Adding to 144432032 its reverse (230234441), we get a palindrome (374666473).

The spelling of 144432032 in words is "one hundred forty-four million, four hundred thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 32 211 422 844 1688 3376 6752 21391 42782 85564 171128 342256 684512 4513501 9027002 18054004 36108008 72216016 144432032