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740131 = 7105733
BaseRepresentation
bin10110100101100100011
31101121021021
42310230203
5142141011
623510311
76201550
oct2645443
91347237
10740131
11466087
122b8397
131cbb62
14153a27
15e9471
hexb4b23

740131 has 4 divisors (see below), whose sum is σ = 845872. Its totient is φ = 634392.

The previous prime is 740123. The next prime is 740141. The reversal of 740131 is 131047.

740131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 740131 - 23 = 740123 is a prime.

It is a super-2 number, since 2×7401312 = 1095587794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740141) 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, 52860 + ... + 52873.

It is an arithmetic number, because the mean of its divisors is an integer number (211468).

2740131 is an apocalyptic number.

740131 is a deficient number, since it is larger than the sum of its proper divisors (105741).

740131 is a wasteful number, since it uses less digits than its factorization.

740131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105740.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 740131 is about 860.3086655381. The cubic root of 740131 is about 90.4557540396.

Subtracting from 740131 its product of nonzero digits (84), we obtain a palindrome (740047).

Adding to 740131 its reverse (131047), we get a palindrome (871178).

The spelling of 740131 in words is "seven hundred forty thousand, one hundred thirty-one".

Divisors: 1 7 105733 740131