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480691 = 557863
BaseRepresentation
bin1110101010110110011
3220102101101
41311112303
5110340231
614145231
74041301
oct1652663
9812341
10480691
112a9172
121b2217
1313aa43
14c7271
1597661
hex755b3

480691 has 4 divisors (see below), whose sum is σ = 482112. Its totient is φ = 479272.

The previous prime is 480661. The next prime is 480707. The reversal of 480691 is 196084.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 480691 - 27 = 480563 is a prime.

It is a super-3 number, since 3×4806913 = 333210921307738113, which contains 333 as substring.

It is a pancake number, because a pancake can be divided into 480691 parts by 980 straight cuts.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (480661) 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, 126 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

2480691 is an apocalyptic number.

480691 is a deficient number, since it is larger than the sum of its proper divisors (1421).

480691 is an equidigital number, since it uses as much as digits as its factorization.

480691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 480691 is about 693.3188299765. The cubic root of 480691 is about 78.3349066632.

The spelling of 480691 in words is "four hundred eighty thousand, six hundred ninety-one".

Divisors: 1 557 863 480691