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325641420 = 2232513317439
BaseRepresentation
bin10011011010001…
…110010011001100
3211200202022001100
4103122032103030
51131331011140
652151343100
711032622616
oct2332162314
9750668040
10325641420
111578a8245
1291081a90
1352607c40
1431369db6
151d8c6530
hex1368e4cc

325641420 has 144 divisors (see below), whose sum is σ = 1069548480. Its totient is φ = 79723008.

The previous prime is 325641419. The next prime is 325641431. The reversal of 325641420 is 24146523.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741561 + ... + 741999.

It is an arithmetic number, because the mean of its divisors is an integer number (7427420).

Almost surely, 2325641420 is an apocalyptic number.

325641420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325641420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534774240).

325641420 is an abundant number, since it is smaller than the sum of its proper divisors (743907060).

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

325641420 is a wasteful number, since it uses less digits than its factorization.

325641420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 325641420 is about 18045.5373984817. The cubic root of 325641420 is about 687.9864422919.

Adding to 325641420 its reverse (24146523), we get a palindrome (349787943).

The spelling of 325641420 in words is "three hundred twenty-five million, six hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 317 390 439 468 585 634 780 878 951 1170 1268 1317 1585 1756 1902 2195 2340 2634 2853 3170 3804 3951 4121 4390 4755 5268 5706 5707 6340 6585 7902 8242 8780 9510 11412 11414 12363 13170 14265 15804 16484 17121 19020 19755 20605 22828 24726 26340 28530 28535 34242 37089 39510 41210 49452 51363 57060 57070 61815 68484 74178 79020 82420 85605 102726 114140 123630 139163 148356 171210 185445 205452 247260 256815 278326 342420 370890 417489 513630 556652 695815 741780 834978 1027260 1252467 1391630 1669956 1809119 2087445 2504934 2783260 3618238 4174890 5009868 5427357 6262335 7236476 8349780 9045595 10854714 12524670 16282071 18091190 21709428 25049340 27136785 32564142 36182380 54273570 65128284 81410355 108547140 162820710 325641420