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525116442 = 2387519407
BaseRepresentation
bin11111010011001…
…010010000011010
31100121002200100010
4133103022100122
52033412211232
6124035022350
716004262504
oct3723122032
91317080303
10525116442
1124a461834
12127a3a9b6
1384a3a2b6
144da52d74
153117a0cc
hex1f4ca41a

525116442 has 8 divisors (see below), whose sum is σ = 1050232896. Its totient is φ = 175038812.

The previous prime is 525116441. The next prime is 525116443. The reversal of 525116442 is 244611525.

It is an interprime number because it is at equal distance from previous prime (525116441) and next prime (525116443).

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

525116442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (525116441) 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, 43759698 + ... + 43759709.

It is an arithmetic number, because the mean of its divisors is an integer number (131279112).

Almost surely, 2525116442 is an apocalyptic number.

525116442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

525116442 is a wasteful number, since it uses less digits than its factorization.

525116442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87519412.

The product of its digits is 9600, while the sum is 30.

The square root of 525116442 is about 22915.4193066590. The cubic root of 525116442 is about 806.7739601458.

Adding to 525116442 its reverse (244611525), we get a palindrome (769727967).

The spelling of 525116442 in words is "five hundred twenty-five million, one hundred sixteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 87519407 175038814 262558221 525116442