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144476253 = 3216052917
BaseRepresentation
bin10001001110010…
…00100001011101
3101001212011011100
420213020201131
5243441220003
622200343313
73403012365
oct1047104135
9331764140
10144476253
117460a169
1240474b39
1323c1690c
141528b9a5
15ca3cba3
hex89c885d

144476253 has 6 divisors (see below), whose sum is σ = 208687934. Its totient is φ = 96317496.

The previous prime is 144476239. The next prime is 144476327. The reversal of 144476253 is 352674441.

It can be written as a sum of positive squares in only one way, i.e., 141562404 + 2913849 = 11898^2 + 1707^2 .

It is not a de Polignac number, because 144476253 - 210 = 144475229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144476203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8026450 + ... + 8026467.

Almost surely, 2144476253 is an apocalyptic number.

It is an amenable number.

144476253 is a deficient number, since it is larger than the sum of its proper divisors (64211681).

144476253 is a wasteful number, since it uses less digits than its factorization.

144476253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052923 (or 16052920 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 144476253 is about 12019.8274946024. The cubic root of 144476253 is about 524.7254836946.

The spelling of 144476253 in words is "one hundred forty-four million, four hundred seventy-six thousand, two hundred fifty-three".

Divisors: 1 3 9 16052917 48158751 144476253