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506487 = 3197857
BaseRepresentation
bin1111011101001110111
3221201202210
41323221313
5112201422
614504503
74206432
oct1735167
9851683
10506487
11316593
12205133
131496c7
14d2819
15a010c
hex7ba77

506487 has 8 divisors (see below), whose sum is σ = 679536. Its totient is φ = 335552.

The previous prime is 506479. The next prime is 506491. The reversal of 506487 is 784605.

It is a happy number.

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 506487 - 23 = 506479 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506487.

It is not an unprimeable number, because it can be changed into a prime (506417) 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, 163 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (84942).

2506487 is an apocalyptic number.

506487 is a deficient number, since it is larger than the sum of its proper divisors (173049).

506487 is a wasteful number, since it uses less digits than its factorization.

506487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 506487 is about 711.6790006738. The cubic root of 506487 is about 79.7118277894.

It can be divided in two parts, 5064 and 87, that added together give a triangular number (5151 = T101).

The spelling of 506487 in words is "five hundred six thousand, four hundred eighty-seven".

Divisors: 1 3 197 591 857 2571 168829 506487