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716523149 = 1371152259
BaseRepresentation
bin101010101101010…
…100011010001101
31211221021010222102
4222231110122031
52431412220044
6155033324445
723520226526
oct5255243215
91757233872
10716523149
113385054a1
1217bb66725
13b55a60c4
146b23984d
1542d8824e
hex2ab5468d

716523149 has 4 divisors (see below), whose sum is σ = 716589120. Its totient is φ = 716457180.

The previous prime is 716523133. The next prime is 716523173. The reversal of 716523149 is 941325617.

716523149 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 716523149 - 24 = 716523133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716523109) 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, 12419 + ... + 39840.

It is an arithmetic number, because the mean of its divisors is an integer number (179147280).

Almost surely, 2716523149 is an apocalyptic number.

It is an amenable number.

716523149 is a deficient number, since it is larger than the sum of its proper divisors (65971).

716523149 is a wasteful number, since it uses less digits than its factorization.

716523149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65970.

The product of its digits is 45360, while the sum is 38.

The square root of 716523149 is about 26767.9500335756. The cubic root of 716523149 is about 894.8359192774.

The spelling of 716523149 in words is "seven hundred sixteen million, five hundred twenty-three thousand, one hundred forty-nine".

Divisors: 1 13711 52259 716523149