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525838742 = 211132379939
BaseRepresentation
bin11111010101111…
…010100110010110
31100122110101010222
4133111322212112
52034103314432
6124102314342
716013361362
oct3725724626
91318411128
10525838742
1124a905480
121281289b2
1384c30cb0
144dba02a2
153126e112
hex1f57a996

525838742 has 32 divisors (see below), whose sum is σ = 966954240. Its totient is φ = 211036320.

The previous prime is 525838741. The next prime is 525838757. The reversal of 525838742 is 247838525.

It is a junction number, because it is equal to n+sod(n) for n = 525838693 and 525838702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525838741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33392 + ... + 46547.

It is an arithmetic number, because the mean of its divisors is an integer number (30217320).

Almost surely, 2525838742 is an apocalyptic number.

525838742 is a deficient number, since it is larger than the sum of its proper divisors (441115498).

525838742 is a wasteful number, since it uses less digits than its factorization.

525838742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79988.

The product of its digits is 537600, while the sum is 44.

The square root of 525838742 is about 22931.1740214059. The cubic root of 525838742 is about 807.1436977284.

The spelling of 525838742 in words is "five hundred twenty-five million, eight hundred thirty-eight thousand, seven hundred forty-two".

Divisors: 1 2 11 13 22 23 26 46 143 253 286 299 506 598 3289 6578 79939 159878 879329 1039207 1758658 1838597 2078414 3677194 11431277 20224567 22862554 23901761 40449134 47803522 262919371 525838742