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1345042 = 2672521
BaseRepresentation
bin101001000011000010010
32112100001101
411020120102
5321020132
644455014
714301256
oct5103022
92470041
101345042
11839606
1254a46a
133812aa
14270266
151b87e7
hex148612

1345042 has 4 divisors (see below), whose sum is σ = 2017566. Its totient is φ = 672520.

The previous prime is 1345037. The next prime is 1345051. The reversal of 1345042 is 2405431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 690561 + 654481 = 831^2 + 809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336259 + ... + 336262.

21345042 is an apocalyptic number.

1345042 is a deficient number, since it is larger than the sum of its proper divisors (672524).

1345042 is an equidigital number, since it uses as much as digits as its factorization.

1345042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672523.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1345042 is about 1159.7594578187. The cubic root of 1345042 is about 110.3854795192.

The spelling of 1345042 in words is "one million, three hundred forty-five thousand, forty-two".

Divisors: 1 2 672521 1345042