Search a number
-
+
144240234 = 2361394099
BaseRepresentation
bin10001001100011…
…10111001101010
3101001102011101220
420212032321222
5243411141414
622151322510
73401010315
oct1046167152
9331364356
10144240234
1174468906
1240380436
1323b63368
141522997c
15c9e2ca9
hex898ee6a

144240234 has 16 divisors (see below), whose sum is σ = 293210400. Its totient is φ = 47291760.

The previous prime is 144240209. The next prime is 144240247. The reversal of 144240234 is 432042441.

It is a happy number.

144240234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 196684 + ... + 197415.

It is an arithmetic number, because the mean of its divisors is an integer number (18325650).

Almost surely, 2144240234 is an apocalyptic number.

144240234 is an abundant number, since it is smaller than the sum of its proper divisors (148970166).

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

144240234 is a wasteful number, since it uses less digits than its factorization.

144240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394165.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144240234 is about 12010.0055786831. The cubic root of 144240234 is about 524.4395943040.

Adding to 144240234 its reverse (432042441), we get a palindrome (576282675).

The spelling of 144240234 in words is "one hundred forty-four million, two hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 61 122 183 366 394099 788198 1182297 2364594 24040039 48080078 72120117 144240234