Search a number
-
+
144211432 = 23294115161
BaseRepresentation
bin10001001100001…
…11110111101000
3101001100200220011
420212013313220
5243404231212
622150541304
73400530331
oct1046076750
9331320804
10144211432
1174449202
1240367834
1323b53211
141521d288
15c9d94a7
hex8987de8

144211432 has 32 divisors (see below), whose sum is σ = 286561800. Its totient is φ = 67916800.

The previous prime is 144211429. The next prime is 144211439. The reversal of 144211432 is 234112441.

It is a happy number.

144211432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93431556 + 50779876 = 9666^2 + 7126^2 .

It is not an unprimeable number, because it can be changed into a prime (144211439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 17092.

Almost surely, 2144211432 is an apocalyptic number.

It is an amenable number.

144211432 is a deficient number, since it is larger than the sum of its proper divisors (142350368).

144211432 is a wasteful number, since it uses less digits than its factorization.

144211432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15237 (or 15233 counting only the distinct ones).

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

The square root of 144211432 is about 12008.8064352791. The cubic root of 144211432 is about 524.4046851475.

Adding to 144211432 its reverse (234112441), we get a palindrome (378323873).

The spelling of 144211432 in words is "one hundred forty-four million, two hundred eleven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 29 41 58 82 116 164 232 328 1189 2378 4756 9512 15161 30322 60644 121288 439669 621601 879338 1243202 1758676 2486404 3517352 4972808 18026429 36052858 72105716 144211432