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3145430 = 25314543
BaseRepresentation
bin1011111111111011010110
312220210201102
423333323112
51301123210
6151230102
735510231
oct13777326
95823642
103145430
111859232
121078332
13861902
145bc418
15421ea5
hex2ffed6

3145430 has 8 divisors (see below), whose sum is σ = 5661792. Its totient is φ = 1258168.

The previous prime is 3145399. The next prime is 3145447. The reversal of 3145430 is 345413.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157262 + ... + 157281.

It is an arithmetic number, because the mean of its divisors is an integer number (707724).

Almost surely, 23145430 is an apocalyptic number.

3145430 is a deficient number, since it is larger than the sum of its proper divisors (2516362).

3145430 is a wasteful number, since it uses less digits than its factorization.

3145430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314550.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3145430 is about 1773.5360159861. The cubic root of 3145430 is about 146.5187960989.

The spelling of 3145430 in words is "three million, one hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 314543 629086 1572715 3145430