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505530974 = 21319443499
BaseRepresentation
bin11110001000011…
…100101001011110
31022020020122010102
4132020130221132
52013403442344
6122055141102
715345641144
oct3610345136
91266218112
10505530974
1123a3a49a3
12121374792
1380970770
144b1d5594
152e5abe4e
hex1e21ca5e

505530974 has 8 divisors (see below), whose sum is σ = 816627000. Its totient is φ = 233321976.

The previous prime is 505530941. The next prime is 505530983. The reversal of 505530974 is 479035505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9721724 + ... + 9721775.

It is an arithmetic number, because the mean of its divisors is an integer number (102078375).

Almost surely, 2505530974 is an apocalyptic number.

505530974 is a deficient number, since it is larger than the sum of its proper divisors (311096026).

505530974 is a wasteful number, since it uses less digits than its factorization.

505530974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443514.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 505530974 is about 22484.0159669041. The cubic root of 505530974 is about 796.6164250765.

The spelling of 505530974 in words is "five hundred five million, five hundred thirty thousand, nine hundred seventy-four".

Divisors: 1 2 13 26 19443499 38886998 252765487 505530974