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144472312 = 2318059039
BaseRepresentation
bin10001001110001…
…11100011111000
3101001211221202101
420213013203320
5243441103222
622200313144
73402665035
oct1047074370
9331757671
10144472312
1174607206
12404727b4
1323c14b9a
141528a38c
15ca3b927
hex89c78f8

144472312 has 8 divisors (see below), whose sum is σ = 270885600. Its totient is φ = 72236152.

The previous prime is 144472271. The next prime is 144472327. The reversal of 144472312 is 213274441.

144472312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029512 + ... + 9029527.

It is an arithmetic number, because the mean of its divisors is an integer number (33860700).

Almost surely, 2144472312 is an apocalyptic number.

It is an amenable number.

144472312 is a deficient number, since it is larger than the sum of its proper divisors (126413288).

144472312 is a wasteful number, since it uses less digits than its factorization.

144472312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18059045 (or 18059041 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 144472312 is about 12019.6635560235. The cubic root of 144472312 is about 524.7207125254.

The spelling of 144472312 in words is "one hundred forty-four million, four hundred seventy-two thousand, three hundred twelve".

Divisors: 1 2 4 8 18059039 36118078 72236156 144472312