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3140243401 = 3977909933
BaseRepresentation
bin1011101100101100…
…0100111111001001
322002211220220010011
42323023010333021
522412400242101
61235334151521
7140550425401
oct27313047711
98084826104
103140243401
111371649389
127377b25a1
133b07785b9
1421b0b1801
15135a47751
hexbb2c4fc9

3140243401 has 4 divisors (see below), whose sum is σ = 3148153732. Its totient is φ = 3132333072.

The previous prime is 3140243389. The next prime is 3140243437. The reversal of 3140243401 is 1043420413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1742979001 + 1397264400 = 41749^2 + 37380^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140243401 - 25 = 3140243369 is a prime.

It is a super-2 number, since 2×31402434012 = 19722257235048093602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3140243201) 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, 3954570 + ... + 3955363.

It is an arithmetic number, because the mean of its divisors is an integer number (787038433).

Almost surely, 23140243401 is an apocalyptic number.

It is an amenable number.

3140243401 is a deficient number, since it is larger than the sum of its proper divisors (7910331).

3140243401 is an equidigital number, since it uses as much as digits as its factorization.

3140243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910330.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3140243401 is about 56037.8747009556. The cubic root of 3140243401 is about 1464.3821863492.

Adding to 3140243401 its reverse (1043420413), we get a palindrome (4183663814).

The spelling of 3140243401 in words is "three billion, one hundred forty million, two hundred forty-three thousand, four hundred one".

Divisors: 1 397 7909933 3140243401