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230000562 = 232111161619
BaseRepresentation
bin11011011010110…
…00011110110010
3121000210020110100
431231120132302
5432340004222
634453413230
75461654401
oct1555303662
9530706410
10230000562
11108913910
126503a216
133885c60c
1422791638
15152d34ac
hexdb587b2

230000562 has 24 divisors (see below), whose sum is σ = 543638160. Its totient is φ = 69697080.

The previous prime is 230000557. The next prime is 230000597. The reversal of 230000562 is 265000032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580612 + ... + 581007.

It is an arithmetic number, because the mean of its divisors is an integer number (22651590).

Almost surely, 2230000562 is an apocalyptic number.

230000562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230000562 is an abundant number, since it is smaller than the sum of its proper divisors (313637598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230000562 is a wasteful number, since it uses less digits than its factorization.

230000562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161638 (or 1161635 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 230000562 is about 15165.7694166831. The cubic root of 230000562 is about 612.6930665561.

Adding to 230000562 its reverse (265000032), we get a palindrome (495000594).

The spelling of 230000562 in words is "two hundred thirty million, five hundred sixty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1161619 2323238 3484857 6969714 10454571 12777809 20909142 25555618 38333427 76666854 115000281 230000562