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144676197 = 3219184163
BaseRepresentation
bin10001001111110…
…01010101100101
3101002020022102200
420213321111211
5244014114242
622204525113
73404504331
oct1047712545
9332208380
10144676197
1174736406
1240550799
1323c86923
14153007c1
15ca7c04c
hex89f9565

144676197 has 12 divisors (see below), whose sum is σ = 210073344. Its totient is φ = 95944680.

The previous prime is 144676193. The next prime is 144676211. The reversal of 144676197 is 791676441.

It is not a de Polignac number, because 144676197 - 22 = 144676193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144676193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40363 + ... + 43800.

It is an arithmetic number, because the mean of its divisors is an integer number (17506112).

Almost surely, 2144676197 is an apocalyptic number.

It is an amenable number.

144676197 is a deficient number, since it is larger than the sum of its proper divisors (65397147).

144676197 is a wasteful number, since it uses less digits than its factorization.

144676197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84360 (or 84357 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 144676197 is about 12028.1418764496. The cubic root of 144676197 is about 524.9674319933.

The spelling of 144676197 in words is "one hundred forty-four million, six hundred seventy-six thousand, one hundred ninety-seven".

Divisors: 1 3 9 191 573 1719 84163 252489 757467 16075133 48225399 144676197