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529989925 = 52101431487
BaseRepresentation
bin11111100101110…
…000000100100101
31100221021021111111
4133211300010211
52041134134200
6124331305021
716063561063
oct3745600445
91327237444
10529989925
11252190303
121295ab171
1385a5560a
1450561033
15317de0ba
hex1f970125

529989925 has 24 divisors (see below), whose sum is σ = 666600192. Its totient is φ = 417960000.

The previous prime is 529989913. The next prime is 529989931.

It is a happy number.

529989925 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 529989925 - 25 = 529989893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 529989925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1088032 + ... + 1088518.

It is an arithmetic number, because the mean of its divisors is an integer number (27775008).

Almost surely, 2529989925 is an apocalyptic number.

It is an amenable number.

529989925 is a deficient number, since it is larger than the sum of its proper divisors (136610267).

529989925 is a wasteful number, since it uses less digits than its factorization.

529989925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 58.

The square root of 529989925 is about 23021.5100503855. The cubic root of 529989925 is about 809.2621055201.

The spelling of 529989925 in words is "five hundred twenty-nine million, nine hundred eighty-nine thousand, nine hundred twenty-five".

Divisors: 1 5 25 101 431 487 505 2155 2435 2525 10775 12175 43531 49187 209897 217655 245935 1049485 1088275 1229675 5247425 21199597 105997985 529989925