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527423780 = 225133136481
BaseRepresentation
bin11111011011111…
…101100100100100
31100202102220102002
4133123331210210
52040010030110
6124200304432
716033012442
oct3733754444
91322386362
10527423780
11250798324
12128772118
13853675a0
1450093b92
1531483aa5
hex1f6fd924

527423780 has 48 divisors (see below), whose sum is σ = 1196784624. Its totient is φ = 194088960.

The previous prime is 527423737. The next prime is 527423791. The reversal of 527423780 is 87324725.

It can be written as a sum of positive squares in 8 ways, for example, as 58094884 + 469328896 = 7622^2 + 21664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78140 + ... + 84620.

It is an arithmetic number, because the mean of its divisors is an integer number (24933013).

Almost surely, 2527423780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527423780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598392312).

527423780 is an abundant number, since it is smaller than the sum of its proper divisors (669360844).

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

527423780 is a wasteful number, since it uses less digits than its factorization.

527423780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816 (or 6814 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 527423780 is about 22965.7087850560. The cubic root of 527423780 is about 807.9538764803.

The spelling of 527423780 in words is "five hundred twenty-seven million, four hundred twenty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 313 626 1252 1565 3130 4069 6260 6481 8138 12962 16276 20345 25924 32405 40690 64810 81380 84253 129620 168506 337012 421265 842530 1685060 2028553 4057106 8114212 10142765 20285530 26371189 40571060 52742378 105484756 131855945 263711890 527423780