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3253143220 = 225162657161
BaseRepresentation
bin1100000111100111…
…0000011010110100
322101201100210112221
43001321300122310
523130301040340
61254450052124
7143421155365
oct30171603264
98351323487
103253143220
11141a350718
1276957a044
133cac87822
1422c09db6c
151408e944a
hexc1e706b4

3253143220 has 12 divisors (see below), whose sum is σ = 6831600804. Its totient is φ = 1301257280.

The previous prime is 3253143217. The next prime is 3253143221. The reversal of 3253143220 is 223413523.

It can be written as a sum of positive squares in 2 ways, for example, as 2038341904 + 1214801316 = 45148^2 + 34854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253143221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81328561 + ... + 81328600.

It is an arithmetic number, because the mean of its divisors is an integer number (569300067).

Almost surely, 23253143220 is an apocalyptic number.

It is an amenable number.

3253143220 is an abundant number, since it is smaller than the sum of its proper divisors (3578457584).

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

3253143220 is a wasteful number, since it uses less digits than its factorization.

3253143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162657170 (or 162657168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3253143220 is about 57036.3324557251. The cubic root of 3253143220 is about 1481.7254073606.

Adding to 3253143220 its reverse (223413523), we get a palindrome (3476556743).

The spelling of 3253143220 in words is "three billion, two hundred fifty-three million, one hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 162657161 325314322 650628644 813285805 1626571610 3253143220