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525993441 = 31481118387
BaseRepresentation
bin11111010110100…
…000010111100001
31100122202020100120
4133112200113201
52034123242231
6124105510453
716014604401
oct3726402741
91318666316
10525993441
1124aa00726
121281a2429
1384c8652c
144dc00801
153129ed96
hex1f5a05e1

525993441 has 8 divisors (see below), whose sum is σ = 701804064. Its totient is φ = 350422560.

The previous prime is 525993439. The next prime is 525993449. The reversal of 525993441 is 144399525.

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

It is not a de Polignac number, because 525993441 - 21 = 525993439 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525993393 and 525993402.

It is not an unprimeable number, because it can be changed into a prime (525993449) 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, 54751 + ... + 63636.

It is an arithmetic number, because the mean of its divisors is an integer number (87725508).

Almost surely, 2525993441 is an apocalyptic number.

It is an amenable number.

525993441 is a deficient number, since it is larger than the sum of its proper divisors (175810623).

525993441 is a wasteful number, since it uses less digits than its factorization.

525993441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119871.

The product of its digits is 194400, while the sum is 42.

The square root of 525993441 is about 22934.5468889185. The cubic root of 525993441 is about 807.2228424484. Note that the first 3 decimals are identical.

The spelling of 525993441 in words is "five hundred twenty-five million, nine hundred ninety-three thousand, four hundred forty-one".

Divisors: 1 3 1481 4443 118387 355161 175331147 525993441