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144763313 = 1779107791
BaseRepresentation
bin10001010000011…
…10100110110001
3101002101201221012
420220032212301
5244024411223
622210440305
73405316322
oct1050164661
9332351835
10144763313
1174795902
1240593095
1323cb7486
1415324449
15ca97c78
hex8a0e9b1

144763313 has 8 divisors (see below), whose sum is σ = 155220480. Its totient is φ = 134521920.

The previous prime is 144763301. The next prime is 144763321. The reversal of 144763313 is 313367441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144763313 - 224 = 127986097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144763313.

It is not an unprimeable number, because it can be changed into a prime (144763373) 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, 52553 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (19402560).

Almost surely, 2144763313 is an apocalyptic number.

It is an amenable number.

144763313 is a deficient number, since it is larger than the sum of its proper divisors (10457167).

144763313 is a wasteful number, since it uses less digits than its factorization.

144763313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107887.

The product of its digits is 18144, while the sum is 32.

The square root of 144763313 is about 12031.7626721940. The cubic root of 144763313 is about 525.0727796306.

The spelling of 144763313 in words is "one hundred forty-four million, seven hundred sixty-three thousand, three hundred thirteen".

Divisors: 1 17 79 1343 107791 1832447 8515489 144763313