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525245342 = 22341278497
BaseRepresentation
bin11111010011101…
…001101110011110
31100121100020011012
4133103221232132
52033430322332
6124041455222
716005340346
oct3723515636
91317306135
10525245342
1124a53a666
12127aa1512
1384a83b7b
144da87d26
15311a33b2
hex1f4e9b9e

525245342 has 16 divisors (see below), whose sum is σ = 842177952. Its totient is φ = 245076480.

The previous prime is 525245341. The next prime is 525245353. The reversal of 525245342 is 243542525.

It is a super-4 number, since 4×5252453424 (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525245299 and 525245308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525245341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137363 + ... + 141134.

It is an arithmetic number, because the mean of its divisors is an integer number (52636122).

Almost surely, 2525245342 is an apocalyptic number.

525245342 is a deficient number, since it is larger than the sum of its proper divisors (316932610).

525245342 is a wasteful number, since it uses less digits than its factorization.

525245342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278563.

The product of its digits is 48000, while the sum is 32.

The square root of 525245342 is about 22918.2316508059. The cubic root of 525245342 is about 806.8399675093.

Adding to 525245342 its reverse (243542525), we get a palindrome (768787867).

The spelling of 525245342 in words is "five hundred twenty-five million, two hundred forty-five thousand, three hundred forty-two".

Divisors: 1 2 23 41 46 82 943 1886 278497 556994 6405431 11418377 12810862 22836754 262622671 525245342