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144120036 = 22316373681
BaseRepresentation
bin10001001011100…
…01100011100100
3101001012001112010
420211301203210
5243343320121
622144554220
73400000014
oct1045614344
9331161463
10144120036
1174396575
1240322970
1323b20738
14151d7c44
15c9bc376
hex89718e4

144120036 has 24 divisors (see below), whose sum is σ = 338347744. Its totient is φ = 47744640.

The previous prime is 144120029. The next prime is 144120037. The reversal of 144120036 is 630021441.

It is a junction number, because it is equal to n+sod(n) for n = 144119994 and 144120021.

It is not an unprimeable number, because it can be changed into a prime (144120037) 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, 34885 + ... + 38796.

Almost surely, 2144120036 is an apocalyptic number.

It is an amenable number.

144120036 is an abundant number, since it is smaller than the sum of its proper divisors (194227708).

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

144120036 is a wasteful number, since it uses less digits than its factorization.

144120036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73851 (or 73849 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144120036 is about 12005.0004581424. Note that the first 3 decimals coincide. The cubic root of 144120036 is about 524.2938788158.

Adding to 144120036 its reverse (630021441), we get a palindrome (774141477).

The spelling of 144120036 in words is "one hundred forty-four million, one hundred twenty thousand, thirty-six".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 73681 147362 221043 294724 442086 884172 12010003 24020006 36030009 48040012 72060018 144120036