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52803250 = 253211213
BaseRepresentation
bin1100100101101…
…1011010110010
310200100200102221
43021123122302
5102004201000
65123431254
71210551223
oct311333262
9120320387
1052803250
1127895955
121582552a
13ac2a336
14702724a
15498061a
hex325b6b2

52803250 has 16 divisors (see below), whose sum is σ = 98848152. Its totient is φ = 21121200.

The previous prime is 52803227. The next prime is 52803251. The reversal of 52803250 is 5230825.

It can be written as a sum of positive squares in 4 ways, for example, as 2832489 + 49970761 = 1683^2 + 7069^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (52803251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105357 + ... + 105856.

Almost surely, 252803250 is an apocalyptic number.

52803250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52803250 is a deficient number, since it is larger than the sum of its proper divisors (46044902).

52803250 is a wasteful number, since it uses less digits than its factorization.

52803250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211230 (or 211220 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52803250 is about 7266.5844796576. The cubic root of 52803250 is about 375.1631882346.

The spelling of 52803250 in words is "fifty-two million, eight hundred three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 211213 422426 1056065 2112130 5280325 10560650 26401625 52803250