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715741 = 1355057
BaseRepresentation
bin10101110101111011101
31100100210221
42232233131
5140400431
623201341
76040465
oct2565735
91310727
10715741
11449824
122a6251
131c0a20
14148ba5
15e2111
hexaebdd

715741 has 4 divisors (see below), whose sum is σ = 770812. Its totient is φ = 660672.

The previous prime is 715739. The next prime is 715753. The reversal of 715741 is 147517.

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 108900 + 606841 = 330^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 715741 - 21 = 715739 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715441) 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, 27516 + ... + 27541.

It is an arithmetic number, because the mean of its divisors is an integer number (192703).

2715741 is an apocalyptic number.

It is an amenable number.

715741 is a deficient number, since it is larger than the sum of its proper divisors (55071).

715741 is a wasteful number, since it uses less digits than its factorization.

715741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55070.

The product of its digits is 980, while the sum is 25.

The square root of 715741 is about 846.0147752847. The cubic root of 715741 is about 89.4510202962.

Subtracting from 715741 its sum of digits (25), we obtain a square (715716 = 8462).

The spelling of 715741 in words is "seven hundred fifteen thousand, seven hundred forty-one".

Divisors: 1 13 55057 715741