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3072402 = 232170689
BaseRepresentation
bin1011101110000110010010
312210002112200
423232012102
51241304102
6145504030
735054304
oct13560622
95702480
103072402
111809383
121042016
138375b8
1459d974
1540a51c
hex2ee192

3072402 has 12 divisors (see below), whose sum is σ = 6656910. Its totient is φ = 1024128.

The previous prime is 3072373. The next prime is 3072403. The reversal of 3072402 is 2042703.

It is a happy number.

3072402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 1058841 = 1419^2 + 1029^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 170689 = 3072402 / (3 + 0 + 7 + 2 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (3072403) 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 5 ways as a sum of consecutive naturals, for example, 85327 + ... + 85362.

Almost surely, 23072402 is an apocalyptic number.

3072402 is an abundant number, since it is smaller than the sum of its proper divisors (3584508).

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

3072402 is a wasteful number, since it uses less digits than its factorization.

3072402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170697 (or 170694 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3072402 is about 1752.8268596755. The cubic root of 3072402 is about 145.3759881437.

The spelling of 3072402 in words is "three million, seventy-two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 170689 341378 512067 1024134 1536201 3072402