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3107141 = 17182773
BaseRepresentation
bin1011110110100101000101
312211212012022
423312211011
51243412031
6150332525
735260502
oct13664505
95755168
103107141
111832494
12105a145
1384a35b
145ac4a9
1541597b
hex2f6945

3107141 has 4 divisors (see below), whose sum is σ = 3289932. Its totient is φ = 2924352.

The previous prime is 3107131. The next prime is 3107171. The reversal of 3107141 is 1417013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1417013 = 13109001.

It can be written as a sum of positive squares in 2 ways, for example, as 2656900 + 450241 = 1630^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 3107141 - 26 = 3107077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 182773 = 3107141 / (3 + 1 + 0 + 7 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3107101) 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, 91370 + ... + 91403.

It is an arithmetic number, because the mean of its divisors is an integer number (822483).

Almost surely, 23107141 is an apocalyptic number.

It is an amenable number.

3107141 is a deficient number, since it is larger than the sum of its proper divisors (182791).

3107141 is a wasteful number, since it uses less digits than its factorization.

3107141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182790.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 3107141 is about 1762.7084273923. The cubic root of 3107141 is about 145.9218478338.

The spelling of 3107141 in words is "three million, one hundred seven thousand, one hundred forty-one".

Divisors: 1 17 182773 3107141