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5205172 = 227226557
BaseRepresentation
bin10011110110110010110100
3100210110011011
4103312302310
52313031142
6303322004
762146300
oct23666264
910713134
105205172
112a357a5
1218b0304
1311032ab
14996d00
156cc417
hex4f6cb4

5205172 has 18 divisors (see below), whose sum is σ = 10596642. Its totient is φ = 2230704.

The previous prime is 5205169. The next prime is 5205173. The reversal of 5205172 is 2715025.

It can be written as a sum of positive squares in only one way, i.e., 4351396 + 853776 = 2086^2 + 924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205173) by changing a digit.

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, 13083 + ... + 13474.

Almost surely, 25205172 is an apocalyptic number.

It is an amenable number.

5205172 is an abundant number, since it is smaller than the sum of its proper divisors (5391470).

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

5205172 is a wasteful number, since it uses less digits than its factorization.

5205172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26575 (or 26566 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 5205172 is about 2281.4846043750. The cubic root of 5205172 is about 173.3052403517.

The spelling of 5205172 in words is "five million, two hundred five thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 26557 53114 106228 185899 371798 743596 1301293 2602586 5205172