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712413481 = 13173316769
BaseRepresentation
bin101010011101101…
…001000100101001
31211122112100120111
4222131221010221
52424334212411
6154405254321
723440262143
oct5235510451
91748470514
10712413481
1133615887a
1217a7043a1
13b4797650
146a889c93
1542825721
hex2a769129

712413481 has 8 divisors (see below), whose sum is σ = 771651720. Its totient is φ = 653809152.

The previous prime is 712413467. The next prime is 712413491. The reversal of 712413481 is 184314217.

It can be written as a sum of positive squares in 4 ways, for example, as 35581225 + 676832256 = 5965^2 + 26016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712413481 - 219 = 711889193 is a prime.

It is a super-2 number, since 2×7124134812 = 1015065935821074722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712413421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156136 + ... + 160633.

It is an arithmetic number, because the mean of its divisors is an integer number (96456465).

Almost surely, 2712413481 is an apocalyptic number.

It is an amenable number.

712413481 is a deficient number, since it is larger than the sum of its proper divisors (59238239).

712413481 is a wasteful number, since it uses less digits than its factorization.

712413481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316955.

The product of its digits is 5376, while the sum is 31.

The square root of 712413481 is about 26691.0749315197. The cubic root of 712413481 is about 893.1218402800.

Adding to 712413481 its reverse (184314217), we get a palindrome (896727698).

The spelling of 712413481 in words is "seven hundred twelve million, four hundred thirteen thousand, four hundred eighty-one".

Divisors: 1 13 173 2249 316769 4117997 54801037 712413481