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422587 = 1141937
BaseRepresentation
bin1100111001010111011
3210110200101
41213022323
5102010322
613020231
73410014
oct1471273
9713611
10422587
11269550
12184677
1311a469
14b000b
1585327
hex672bb

422587 has 8 divisors (see below), whose sum is σ = 472752. Its totient is φ = 374400.

The previous prime is 422581. The next prime is 422621. The reversal of 422587 is 785224.

422587 is nontrivially palindromic in base 14.

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 422587 - 27 = 422459 is a prime.

It is a Duffinian number.

422587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (422581) 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, 18 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (59094).

2422587 is an apocalyptic number.

422587 is a deficient number, since it is larger than the sum of its proper divisors (50165).

422587 is a wasteful number, since it uses less digits than its factorization.

422587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its digits is 4480, while the sum is 28.

The square root of 422587 is about 650.0669196321. The cubic root of 422587 is about 75.0421688786.

The spelling of 422587 in words is "four hundred twenty-two thousand, five hundred eighty-seven".

Divisors: 1 11 41 451 937 10307 38417 422587