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525413244 = 22343784437
BaseRepresentation
bin11111010100010…
…010101101111100
31100121122202110210
4133110102231330
52034001210434
6124045232420
716006640016
oct3724225574
91317582423
10525413244
1124a644824
12127b62710
1384b12415
144dacd1b6
15311d7ee9
hex1f512b7c

525413244 has 12 divisors (see below), whose sum is σ = 1225964264. Its totient is φ = 175137744.

The previous prime is 525413243. The next prime is 525413257. The reversal of 525413244 is 442314525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525413243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21892207 + ... + 21892230.

Almost surely, 2525413244 is an apocalyptic number.

It is an amenable number.

525413244 is an abundant number, since it is smaller than the sum of its proper divisors (700551020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525413244 is a wasteful number, since it uses less digits than its factorization.

525413244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43784444 (or 43784442 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 525413244 is about 22921.8944243271. The cubic root of 525413244 is about 806.9259309001.

Adding to 525413244 its reverse (442314525), we get a palindrome (967727769).

The spelling of 525413244 in words is "five hundred twenty-five million, four hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 43784437 87568874 131353311 175137748 262706622 525413244