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325053445 = 5312611109
BaseRepresentation
bin10011010111111…
…110110000000101
3211122122102111111
4103113332300011
51131203202240
652131005021
711024623453
oct2327766005
9748572444
10325053445
11157536512
1290a39771
1352460422
14312559d3
151d80c1ea
hex135fec05

325053445 has 24 divisors (see below), whose sum is σ = 410029560. Its totient is φ = 247305600.

The previous prime is 325053437. The next prime is 325053523. The reversal of 325053445 is 544350523.

325053445 = T141 + T142 + ... + T1249.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30107169 + 294946276 = 5487^2 + 17174^2 .

It is not a de Polignac number, because 325053445 - 23 = 325053437 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292551 + ... + 293659.

It is an arithmetic number, because the mean of its divisors is an integer number (17084565).

Almost surely, 2325053445 is an apocalyptic number.

It is an amenable number.

325053445 is a deficient number, since it is larger than the sum of its proper divisors (84976115).

325053445 is a wasteful number, since it uses less digits than its factorization.

325053445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 325053445 is about 18029.2386139848. The cubic root of 325053445 is about 687.5721189358.

The spelling of 325053445 in words is "three hundred twenty-five million, fifty-three thousand, four hundred forty-five".

Divisors: 1 5 31 61 155 305 961 1109 1891 4805 5545 9455 34379 58621 67649 171895 293105 338245 1065749 2097119 5328745 10485595 65010689 325053445