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144374417 = 1121916247
BaseRepresentation
bin10001001101011…
…11101010010001
3101001122222110122
420212233222101
5243424440132
622154240025
73402106445
oct1046575221
9331588418
10144374417
117454a700
1240426015
1323bac465
1415262825
15ca1c912
hex89afa91

144374417 has 12 divisors (see below), whose sum is σ = 159548928. Its totient is φ = 130541400.

The previous prime is 144374401. The next prime is 144374443. The reversal of 144374417 is 714473441.

144374417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144374417 - 24 = 144374401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144374467) 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, 19988 + ... + 26234.

It is an arithmetic number, because the mean of its divisors is an integer number (13295744).

Almost surely, 2144374417 is an apocalyptic number.

It is an amenable number.

144374417 is a deficient number, since it is larger than the sum of its proper divisors (15174511).

144374417 is a wasteful number, since it uses less digits than its factorization.

144374417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460 (or 6449 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 144374417 is about 12015.5905805749. The cubic root of 144374417 is about 524.6021681481.

The spelling of 144374417 in words is "one hundred forty-four million, three hundred seventy-four thousand, four hundred seventeen".

Divisors: 1 11 121 191 2101 6247 23111 68717 755887 1193177 13124947 144374417