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325685988 = 223337149547
BaseRepresentation
bin10011011010011…
…001001011100100
3211200211120012000
4103122121023210
51131333422423
652152325300
711033166555
oct2332311344
9750746160
10325685988
11157928781
12910a3830
1352622304
143137c32c
151d8d4843
hex136992e4

325685988 has 96 divisors (see below), whose sum is σ = 874608000. Its totient is φ = 104727168.

The previous prime is 325685963. The next prime is 325685989. The reversal of 325685988 is 889586523.

It is a super-2 number, since 2×3256859882 = 212142725559072288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (325685989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595131 + ... + 595677.

It is an arithmetic number, because the mean of its divisors is an integer number (9110500).

Almost surely, 2325685988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325685988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437304000).

325685988 is an abundant number, since it is smaller than the sum of its proper divisors (548922012).

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

325685988 is a wasteful number, since it uses less digits than its factorization.

325685988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 325685988 is about 18046.7722321749. The cubic root of 325685988 is about 688.0178273053.

The spelling of 325685988 in words is "three hundred twenty-five million, six hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 37 54 74 108 111 148 149 222 298 333 444 447 547 596 666 894 999 1094 1332 1341 1641 1788 1998 2188 2682 3282 3996 4023 4923 5364 5513 6564 8046 9846 11026 14769 16092 16539 19692 20239 22052 29538 33078 40478 49617 59076 60717 66156 80956 81503 99234 121434 148851 163006 182151 198468 242868 244509 297702 326012 364302 489018 546453 595404 728604 733527 978036 1092906 1467054 2185812 2200581 2934108 3015611 4401162 6031222 8802324 9046833 12062444 18093666 27140499 36187332 54280998 81421497 108561996 162842994 325685988