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1233130 = 25317389
BaseRepresentation
bin100101101000011101010
32022122112111
410231003222
5303430010
642232534
713324063
oct4550352
92278474
101233130
11772518
124b574a
13342382
1424156a
1519558a
hex12d0ea

1233130 has 16 divisors (see below), whose sum is σ = 2232360. Its totient is φ = 490432.

The previous prime is 1233121. The next prime is 1233143. The reversal of 1233130 is 313321.

It can be written as a sum of positive squares in 4 ways, for example, as 505521 + 727609 = 711^2 + 853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1233130.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976 + ... + 3364.

21233130 is an apocalyptic number.

1233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1233130 is a deficient number, since it is larger than the sum of its proper divisors (999230).

1233130 is a wasteful number, since it uses less digits than its factorization.

1233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1233130 is about 1110.4638670394. The cubic root of 1233130 is about 107.2349337584.

Adding to 1233130 its reverse (313321), we get a palindrome (1546451).

The spelling of 1233130 in words is "one million, two hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 317 389 634 778 1585 1945 3170 3890 123313 246626 616565 1233130