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527540742 = 233232691579
BaseRepresentation
bin11111011100011…
…010001000000110
31100202122211212000
4133130122020012
52040022300432
6124203010130
716034010441
oct3734321006
91322584760
10527540742
11250868193
12128809946
13853a88b1
14500c4658
15314a857c
hex1f71a206

527540742 has 64 divisors (see below), whose sum is σ = 1228608000. Its totient is φ = 167469984.

The previous prime is 527540729. The next prime is 527540743. The reversal of 527540742 is 247045725.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 527540697 and 527540706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527540743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333309 + ... + 334887.

It is an arithmetic number, because the mean of its divisors is an integer number (19197000).

Almost surely, 2527540742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527540742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614304000).

527540742 is an abundant number, since it is smaller than the sum of its proper divisors (701067258).

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

527540742 is a wasteful number, since it uses less digits than its factorization.

527540742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 527540742 is about 22968.2550926273. The cubic root of 527540742 is about 808.0135962732.

The spelling of 527540742 in words is "five hundred twenty-seven million, five hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 269 414 538 621 807 1242 1579 1614 2421 3158 4737 4842 6187 7263 9474 12374 14211 14526 18561 28422 36317 37122 42633 55683 72634 85266 108951 111366 167049 217902 326853 334098 424751 653706 849502 980559 1274253 1961118 2548506 3822759 7645518 9769273 11468277 19538546 22936554 29307819 58615638 87923457 175846914 263770371 527540742