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3125041 = 10130941
BaseRepresentation
bin1011111010111100110001
312212202202021
423322330301
51300000131
6150551441
735363623
oct13727461
95782667
103125041
111844987
121068581
1385554a
145b4c13
1541ae11
hex2faf31

3125041 has 4 divisors (see below), whose sum is σ = 3156084. Its totient is φ = 3094000.

The previous prime is 3125029. The next prime is 3125051. The reversal of 3125041 is 1405213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1405213 = 10113913.

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 1008016 = 1455^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125041 - 25 = 3125009 is a prime.

It is a super-3 number, since 3×31250413 = 91556337937903331763, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125021) 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, 15370 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (789021).

Almost surely, 23125041 is an apocalyptic number.

It is an amenable number.

3125041 is a deficient number, since it is larger than the sum of its proper divisors (31043).

3125041 is a wasteful number, since it uses less digits than its factorization.

3125041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31042.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3125041 is about 1767.7785494795. The cubic root of 3125041 is about 146.2015262931.

The spelling of 3125041 in words is "three million, one hundred twenty-five thousand, forty-one".

Divisors: 1 101 30941 3125041