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1230242 = 21347317
BaseRepresentation
bin100101100010110100010
32022111120112
410230112202
5303331432
642211322
713312466
oct4542642
92274515
101230242
11770332
124b3b42
13340c70
142404a6
151947b2
hex12c5a2

1230242 has 8 divisors (see below), whose sum is σ = 1987356. Its totient is φ = 567792.

The previous prime is 1230241. The next prime is 1230263. The reversal of 1230242 is 2420321.

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 361 = 1109^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1230241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23633 + ... + 23684.

21230242 is an apocalyptic number.

1230242 is a deficient number, since it is larger than the sum of its proper divisors (757114).

1230242 is a wasteful number, since it uses less digits than its factorization.

1230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47332.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1230242 is about 1109.1627473009. The cubic root of 1230242 is about 107.1511533047.

Adding to 1230242 its reverse (2420321), we get a palindrome (3650563).

The spelling of 1230242 in words is "one million, two hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 13 26 47317 94634 615121 1230242