Search a number
-
+
324489980 = 2251923137271
BaseRepresentation
bin10011010101110…
…101001011111100
3211121120210120102
4103111311023330
51131032134410
652110540232
711020055633
oct2325651374
9747523512
10324489980
11157191141
1290807678
13522c3b09
143114a51a
151d74a2a5
hex135752fc

324489980 has 96 divisors (see below), whose sum is σ = 756725760. Its totient is φ = 116328960.

The previous prime is 324489967. The next prime is 324490007. The reversal of 324489980 is 89984423.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197245 + ... + 1197515.

It is an arithmetic number, because the mean of its divisors is an integer number (7882560).

Almost surely, 2324489980 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 324489980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378362880).

324489980 is an abundant number, since it is smaller than the sum of its proper divisors (432235780).

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

324489980 is a wasteful number, since it uses less digits than its factorization.

324489980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 324489980 is about 18013.6054136866. The cubic root of 324489980 is about 687.1745977429.

The spelling of 324489980 in words is "three hundred twenty-four million, four hundred eighty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 137 190 230 271 274 380 437 460 542 548 685 874 1084 1355 1370 1748 2185 2603 2710 2740 3151 4370 5149 5206 5420 6233 6302 8740 10298 10412 12466 12604 13015 15755 20596 24932 25745 26030 31165 31510 37127 51490 52060 59869 62330 63020 74254 102980 118427 119738 124660 148508 185635 236854 239476 299345 371270 473708 592135 598690 705413 742540 853921 1184270 1197380 1410826 1707842 2368540 2821652 3415684 3527065 4269605 7054130 8539210 14108260 16224499 17078420 32448998 64897996 81122495 162244990 324489980