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1292442 = 231712671
BaseRepresentation
bin100111011100010011010
32102122220020
410323202122
5312324232
643411310
713662024
oct4734232
92378806
101292442
11803038
12523b36
13363378
14259014
151a7e2c
hex13b89a

1292442 has 16 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 405440.

The previous prime is 1292441. The next prime is 1292477. The reversal of 1292442 is 2442921.

It is not an unprimeable number, because it can be changed into a prime (1292441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6234 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

21292442 is an apocalyptic number.

1292442 is an abundant number, since it is smaller than the sum of its proper divisors (1444710).

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

1292442 is a wasteful number, since it uses less digits than its factorization.

1292442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693.

The product of its digits is 1152, while the sum is 24.

The square root of 1292442 is about 1136.8561914332. The cubic root of 1292442 is about 108.9273707448.

The spelling of 1292442 in words is "one million, two hundred ninety-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 12671 25342 38013 76026 215407 430814 646221 1292442