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323800225 = 5272963803
BaseRepresentation
bin10011010011001…
…100110010100001
3211120021202101221
4103103030302201
51130343101400
652044055041
711011153660
oct2323146241
9746252357
10323800225
1115685a9a1
1290534481
1352111b88
143100add7
151d660c1a
hex134ccca1

323800225 has 24 divisors (see below), whose sum is σ = 474701760. Its totient is φ = 214374720.

The previous prime is 323800171. The next prime is 323800229. The reversal of 323800225 is 522008323.

It is not a de Polignac number, because 323800225 - 29 = 323799713 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 323800225.

It is not an unprimeable number, because it can be changed into a prime (323800229) 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 23 ways as a sum of consecutive naturals, for example, 26827 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (19779240).

Almost surely, 2323800225 is an apocalyptic number.

323800225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323800225 is a deficient number, since it is larger than the sum of its proper divisors (150901535).

323800225 is a wasteful number, since it uses less digits than its factorization.

323800225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63849 (or 63844 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 323800225 is about 17994.4498387697. The cubic root of 323800225 is about 686.6873527508.

Adding to 323800225 its reverse (522008323), we get a palindrome (845808548).

The spelling of 323800225 in words is "three hundred twenty-three million, eight hundred thousand, two hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 1015 5075 63803 319015 446621 1595075 1850287 2233105 9251435 11165525 12952009 46257175 64760045 323800225