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481369 = 768767
BaseRepresentation
bin1110101100001011001
3220110022111
41311201121
5110400434
614152321
74043260
oct1654131
9813274
10481369
112a9729
121b26a1
1313b145
14c75d7
1597964
hex75859

481369 has 4 divisors (see below), whose sum is σ = 550144. Its totient is φ = 412596.

The previous prime is 481363. The next prime is 481373. The reversal of 481369 is 963184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-481369 is a prime.

It is a super-2 number, since 2×4813692 = 463432228322, which contains 22 as substring.

It is an Ulam number.

481369 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 481369.

It is not an unprimeable number, because it can be changed into a prime (481363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34377 + ... + 34390.

It is an arithmetic number, because the mean of its divisors is an integer number (137536).

2481369 is an apocalyptic number.

It is an amenable number.

481369 is a deficient number, since it is larger than the sum of its proper divisors (68775).

481369 is an equidigital number, since it uses as much as digits as its factorization.

481369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68774.

The product of its digits is 5184, while the sum is 31.

The square root of 481369 is about 693.8076102206. The cubic root of 481369 is about 78.3717190269.

The spelling of 481369 in words is "four hundred eighty-one thousand, three hundred sixty-nine".

Divisors: 1 7 68767 481369