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2165235325 = 521112136491
BaseRepresentation
bin1000000100001110…
…1101111001111101
312120220021100110221
42001003231321331
513413300012300
6554504301341
7104441124301
oct20103557175
95526240427
102165235325
11a11245390
12505171851
1328677ba46
141677cbd01
15ca15131a
hex810ede7d

2165235325 has 24 divisors (see below), whose sum is σ = 2931839136. Its totient is φ = 1573176000.

The previous prime is 2165235253. The next prime is 2165235337. The reversal of 2165235325 is 5235325612.

It is not a de Polignac number, because 2165235325 - 211 = 2165233277 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330330 + ... + 336820.

It is an arithmetic number, because the mean of its divisors is an integer number (122159964).

Almost surely, 22165235325 is an apocalyptic number.

2165235325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2165235325 is a deficient number, since it is larger than the sum of its proper divisors (766603811).

2165235325 is a wasteful number, since it uses less digits than its factorization.

2165235325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7720 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 2165235325 is about 46532.0891965964. The cubic root of 2165235325 is about 1293.7043385909.

The spelling of 2165235325 in words is "two billion, one hundred sixty-five million, two hundred thirty-five thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 1213 6065 6491 13343 30325 32455 66715 71401 162275 333575 357005 1785025 7873583 39367915 86609413 196839575 433047065 2165235325