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1200230 = 25196317
BaseRepresentation
bin100100101000001100110
32020222101222
410211001212
5301401410
641420342
713126133
oct4450146
92228358
101200230
1174a829
1249a6b2
133303c5
1423358a
1518a955
hex125066

1200230 has 16 divisors (see below), whose sum is σ = 2274480. Its totient is φ = 454752.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200230 is 320021.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200233) 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, 2969 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (142155).

21200230 is an apocalyptic number.

1200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200230 is a deficient number, since it is larger than the sum of its proper divisors (1074250).

1200230 is a wasteful number, since it uses less digits than its factorization.

1200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1200230 is about 1095.5500901374. The cubic root of 1200230 is about 106.2726456921.

Adding to 1200230 its reverse (320021), we get a palindrome (1520251).

The spelling of 1200230 in words is "one million, two hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 6317 12634 31585 63170 120023 240046 600115 1200230