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525628038 = 231310166721
BaseRepresentation
bin11111010101000…
…111001010000110
31100122001200010010
4133111013022012
52034030044123
6124054011050
716011523155
oct3725071206
91318050103
10525628038
1124a781141
12128046a86
1384b89110
144db4759c
153122b993
hex1f547286

525628038 has 32 divisors (see below), whose sum is σ = 1143348192. Its totient is φ = 160128000.

The previous prime is 525628013. The next prime is 525628063. The reversal of 525628038 is 830826525.

It is an interprime number because it is at equal distance from previous prime (525628013) and next prime (525628063).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525627987 and 525628005.

It is a congruent number.

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, 25483 + ... + 41238.

It is an arithmetic number, because the mean of its divisors is an integer number (35729631).

Almost surely, 2525628038 is an apocalyptic number.

525628038 is an abundant number, since it is smaller than the sum of its proper divisors (617720154).

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

525628038 is a wasteful number, since it uses less digits than its factorization.

525628038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66840.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 525628038 is about 22926.5792912942. The cubic root of 525628038 is about 807.0358756195.

The spelling of 525628038 in words is "five hundred twenty-five million, six hundred twenty-eight thousand, thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 101 202 303 606 1313 2626 3939 7878 66721 133442 200163 400326 867373 1734746 2602119 5204238 6738821 13477642 20216463 40432926 87604673 175209346 262814019 525628038