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200752525 = 5261131641
BaseRepresentation
bin10111111011100…
…11110110001101
3111222202021200201
423331303312031
5402343040100
631530453501
74655240221
oct1375636615
9458667621
10200752525
11a3357386
1257294291
133278b99c
141c93a781
151295736a
hexbf73d8d

200752525 has 12 divisors (see below), whose sum is σ = 253015924. Its totient is φ = 157968000.

The previous prime is 200752511. The next prime is 200752543. The reversal of 200752525 is 525257002.

It can be written as a sum of positive squares in 6 ways, for example, as 53421481 + 147331044 = 7309^2 + 12138^2 .

It is not a de Polignac number, because 200752525 - 211 = 200750477 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200752493 and 200752502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64296 + ... + 67345.

Almost surely, 2200752525 is an apocalyptic number.

200752525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200752525 is a deficient number, since it is larger than the sum of its proper divisors (52263399).

200752525 is a wasteful number, since it uses less digits than its factorization.

200752525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131712 (or 131707 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 200752525 is about 14168.7164203396. The cubic root of 200752525 is about 585.5360951250.

The spelling of 200752525 in words is "two hundred million, seven hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 61 305 1525 131641 658205 3291025 8030101 40150505 200752525