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164283325 = 5217386549
BaseRepresentation
bin10011100101011…
…00001110111101
3102110010110100121
421302230032331
5314024031300
624145054541
74033246063
oct1162541675
9373113317
10164283325
1184808548
1247027451
132806028b
1417b66033
15e65181a
hex9cac3bd

164283325 has 12 divisors (see below), whose sum is σ = 215694900. Its totient is φ = 123695360.

The previous prime is 164283323. The next prime is 164283341. The reversal of 164283325 is 523382461.

It can be written as a sum of positive squares in 6 ways, for example, as 15784729 + 148498596 = 3973^2 + 12186^2 .

It is not a de Polignac number, because 164283325 - 21 = 164283323 is a prime.

It is a super-3 number, since 3×1642833253 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164283323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192850 + ... + 193699.

It is an arithmetic number, because the mean of its divisors is an integer number (17974575).

Almost surely, 2164283325 is an apocalyptic number.

It is an amenable number.

164283325 is a deficient number, since it is larger than the sum of its proper divisors (51411575).

164283325 is a wasteful number, since it uses less digits than its factorization.

164283325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386576 (or 386571 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 164283325 is about 12817.3056841132. The cubic root of 164283325 is about 547.6853969268.

The spelling of 164283325 in words is "one hundred sixty-four million, two hundred eighty-three thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 386549 1932745 6571333 9663725 32856665 164283325