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521042 = 22347241
BaseRepresentation
bin1111111001101010010
3222110201212
41333031102
5113133132
615100122
74300034
oct1771522
9873655
10521042
11326515
12211642
13153212
14d7c54
15a45b2
hex7f352

521042 has 16 divisors (see below), whose sum is σ = 836352. Its totient is φ = 242880.

The previous prime is 521041. The next prime is 521047. The reversal of 521042 is 240125.

521042 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (521041) 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, 2042 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (52272).

2521042 is an apocalyptic number.

521042 is a deficient number, since it is larger than the sum of its proper divisors (315310).

521042 is a wasteful number, since it uses less digits than its factorization.

521042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 521042 is about 721.8323905174. The cubic root of 521042 is about 80.4681921066.

Adding to 521042 its reverse (240125), we get a palindrome (761167).

The spelling of 521042 in words is "five hundred twenty-one thousand, forty-two".

Divisors: 1 2 23 46 47 94 241 482 1081 2162 5543 11086 11327 22654 260521 521042