Search a number
-
+
1230612 = 223102551
BaseRepresentation
bin100101100011100010100
32022112002020
410230130110
5303334422
642213140
713313535
oct4543424
92275066
101230612
11770639
124b41b0
13341196
1424068c
1519495c
hex12c714

1230612 has 12 divisors (see below), whose sum is σ = 2871456. Its totient is φ = 410200.

The previous prime is 1230599. The next prime is 1230629. The reversal of 1230612 is 2160321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1230591 and 1230600.

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, 51264 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (239288).

21230612 is an apocalyptic number.

1230612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230612 is an abundant number, since it is smaller than the sum of its proper divisors (1640844).

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

1230612 is a wasteful number, since it uses less digits than its factorization.

1230612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102558 (or 102556 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230612 is about 1109.3295272371. The cubic root of 1230612 is about 107.1618942681.

Adding to 1230612 its reverse (2160321), we get a palindrome (3390933).

The spelling of 1230612 in words is "one million, two hundred thirty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 102551 205102 307653 410204 615306 1230612