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525042442 = 21791466599
BaseRepresentation
bin11111010010111…
…000001100001010
31100120221220211101
4133102320030022
52033402324232
6124033252014
716003533661
oct3722701412
91316856741
10525042442
1124a411181
12127a0400a
1384a12702
144da33dd8
15311631e7
hex1f4b830a

525042442 has 8 divisors (see below), whose sum is σ = 791964000. Its totient is φ = 261054444.

The previous prime is 525042437. The next prime is 525042449. The reversal of 525042442 is 244240525.

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

It is a self number, because there is not a number n which added to its sum of digits gives 525042442.

It is not an unprimeable number, because it can be changed into a prime (525042449) 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, 732942 + ... + 733657.

It is an arithmetic number, because the mean of its divisors is an integer number (98995500).

Almost surely, 2525042442 is an apocalyptic number.

525042442 is a deficient number, since it is larger than the sum of its proper divisors (266921558).

525042442 is a wasteful number, since it uses less digits than its factorization.

525042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466780.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 525042442 is about 22913.8046164316. The cubic root of 525042442 is about 806.7360612007.

Adding to 525042442 its reverse (244240525), we get a palindrome (769282967).

It can be divided in two parts, 52504 and 2442, that added together give a triangular number (54946 = T331).

The spelling of 525042442 in words is "five hundred twenty-five million, forty-two thousand, four hundred forty-two".

Divisors: 1 2 179 358 1466599 2933198 262521221 525042442