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3145061 = 12792459
BaseRepresentation
bin1011111111110101100101
312220210012202
423333311211
51301120221
6151224245
735506163
oct13776545
95823182
103145061
111858a27
121078085
138616aa
145bc233
15421d0b
hex2ffd65

3145061 has 4 divisors (see below), whose sum is σ = 3148800. Its totient is φ = 3141324.

The previous prime is 3145057. The next prime is 3145091. The reversal of 3145061 is 1605413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3145061 - 22 = 3145057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145091) 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, 50 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (787200).

Almost surely, 23145061 is an apocalyptic number.

It is an amenable number.

3145061 is a deficient number, since it is larger than the sum of its proper divisors (3739).

3145061 is a wasteful number, since it uses less digits than its factorization.

3145061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3145061 is about 1773.4319834716. The cubic root of 3145061 is about 146.5130663523.

The spelling of 3145061 in words is "three million, one hundred forty-five thousand, sixty-one".

Divisors: 1 1279 2459 3145061