Search a number
-
+
526428431 = 15119917519
BaseRepresentation
bin11111011000001…
…010100100001111
31100200120100001022
4133120022210033
52034231202211
6124123104355
716021365524
oct3730124417
91320510038
10526428431
11250178521
121283720bb
13850a9519
144dcb514b
1531338bdb
hex1f60a90f

526428431 has 8 divisors (see below), whose sum is σ = 532608000. Its totient is φ = 520284600.

The previous prime is 526428401. The next prime is 526428437. The reversal of 526428431 is 134824625.

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 526428431 - 26 = 526428367 is a prime.

It is a super-2 number, since 2×5264284312 = 554253785930243522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 526428391 and 526428400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526428437) 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, 21290 + ... + 38808.

It is an arithmetic number, because the mean of its divisors is an integer number (66576000).

Almost surely, 2526428431 is an apocalyptic number.

526428431 is a deficient number, since it is larger than the sum of its proper divisors (6179569).

526428431 is a wasteful number, since it uses less digits than its factorization.

526428431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17869.

The product of its digits is 46080, while the sum is 35.

The square root of 526428431 is about 22944.0282208683. The cubic root of 526428431 is about 807.4453022023.

The spelling of 526428431 in words is "five hundred twenty-six million, four hundred twenty-eight thousand, four hundred thirty-one".

Divisors: 1 151 199 17519 30049 2645369 3486281 526428431