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5205204 = 2232144589
BaseRepresentation
bin10011110110110011010100
3100210110012100
4103312303110
52313031304
6303322100
762146344
oct23666324
910713170
105205204
112a35824
1218b0330
131103304
14996d24
156cc439
hex4f6cd4

5205204 has 18 divisors (see below), whose sum is σ = 13157690. Its totient is φ = 1735056.

The previous prime is 5205173. The next prime is 5205227. The reversal of 5205204 is 4025025.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 1587600 = 1902^2 + 1260^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72259 + ... + 72330.

Almost surely, 25205204 is an apocalyptic number.

It is an amenable number.

5205204 is an abundant number, since it is smaller than the sum of its proper divisors (7952486).

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

5205204 is a wasteful number, since it uses less digits than its factorization.

5205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144599 (or 144594 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5205204 is about 2281.4916173416. The cubic root of 5205204 is about 173.3055954957.

It can be divided in two parts, 5 and 205204, that added together give a square (205209 = 4532).

The spelling of 5205204 in words is "five million, two hundred five thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 144589 289178 433767 578356 867534 1301301 1735068 2602602 5205204