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144432112 = 2411820637
BaseRepresentation
bin10001001101111…
…01101111110000
3101001202220121111
420212331233300
5243433311422
622155403104
73402436606
oct1046755760
9331686544
10144432112
1174589a90
1240453494
1323bcc7b6
1415279876
15ca2ea77
hex89bdbf0

144432112 has 20 divisors (see below), whose sum is σ = 305277336. Its totient is φ = 65650880.

The previous prime is 144432103. The next prime is 144432133. The reversal of 144432112 is 211234441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 410143 + ... + 410494.

Almost surely, 2144432112 is an apocalyptic number.

It is an amenable number.

144432112 is an abundant number, since it is smaller than the sum of its proper divisors (160845224).

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

144432112 is a wasteful number, since it uses less digits than its factorization.

144432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820656 (or 820650 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 144432112 is about 12017.9911798936. The cubic root of 144432112 is about 524.6720394633.

Adding to 144432112 its reverse (211234441), we get a palindrome (355666553).

The spelling of 144432112 in words is "one hundred forty-four million, four hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 820637 1641274 3282548 6565096 9027007 13130192 18054014 36108028 72216056 144432112