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5205390 = 2351671039
BaseRepresentation
bin10011110110110110001110
3100210110110020
4103312312032
52313033030
6303323010
762150031
oct23666616
910713406
105205390
112a35983
1218b0466
131103418
14997018
156cc510
hex4f6d8e

5205390 has 32 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1378464.

The previous prime is 5205377. The next prime is 5205407. The reversal of 5205390 is 935025.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5205390.

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, 4491 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 25205390 is an apocalyptic number.

5205390 is an abundant number, since it is smaller than the sum of its proper divisors (7374450).

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

5205390 is a wasteful number, since it uses less digits than its factorization.

5205390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 5205390 is about 2281.5323797834. The cubic root of 5205390 is about 173.3076597412.

The spelling of 5205390 in words is "five million, two hundred five thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 167 334 501 835 1002 1039 1670 2078 2505 3117 5010 5195 6234 10390 15585 31170 173513 347026 520539 867565 1041078 1735130 2602695 5205390