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3140061 = 31046687
BaseRepresentation
bin1011111110100111011101
312220112100120
423332213131
51300440221
6151145153
735455461
oct13764735
95815316
103140061
1118551a1
1210751b9
1385c332
145ba4a1
154205c6
hex2fe9dd

3140061 has 4 divisors (see below), whose sum is σ = 4186752. Its totient is φ = 2093372.

The previous prime is 3140057. The next prime is 3140069. The reversal of 3140061 is 1600413.

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.

It is a cyclic number.

It is not a de Polignac number, because 3140061 - 22 = 3140057 is a prime.

It is a D-number.

3140061 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140069) 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, 523341 + ... + 523346.

It is an arithmetic number, because the mean of its divisors is an integer number (1046688).

Almost surely, 23140061 is an apocalyptic number.

It is an amenable number.

3140061 is a deficient number, since it is larger than the sum of its proper divisors (1046691).

3140061 is a wasteful number, since it uses less digits than its factorization.

3140061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046690.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3140061 is about 1772.0217267291. The cubic root of 3140061 is about 146.4353832926.

Adding to 3140061 its reverse (1600413), we get a palindrome (4740474).

The spelling of 3140061 in words is "three million, one hundred forty thousand, sixty-one".

Divisors: 1 3 1046687 3140061