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5820445 = 529137293
BaseRepresentation
bin10110001101000000011101
3101221201011001
4112031000131
52442223240
6324430301
7100321141
oct26150035
911851131
105820445
113315a94
121b48391
13128a367
14ab7221
1579e89a
hex58d01d

5820445 has 16 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 4447744.

The previous prime is 5820431. The next prime is 5820469. The reversal of 5820445 is 5440285.

It can be written as a sum of positive squares in 8 ways, for example, as 386884 + 5433561 = 622^2 + 2331^2 .

It is a cyclic number.

It is not a de Polignac number, because 5820445 - 213 = 5812253 is a prime.

It is a super-3 number, since 3×58204453 (a number of 21 digits) contains 333 as substring.

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, 19719 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (456435).

Almost surely, 25820445 is an apocalyptic number.

It is an amenable number.

5820445 is a deficient number, since it is larger than the sum of its proper divisors (1482515).

5820445 is a wasteful number, since it uses less digits than its factorization.

5820445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5820445 is about 2412.5598438174. The cubic root of 5820445 is about 179.8810428009.

It can be divided in two parts, 58 and 20445, that added together give a triangular number (20503 = T202).

The spelling of 5820445 in words is "five million, eight hundred twenty thousand, four hundred forty-five".

Divisors: 1 5 29 137 145 293 685 1465 3973 8497 19865 40141 42485 200705 1164089 5820445