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324144200 = 235210914869
BaseRepresentation
bin10011010100100…
…000110001001000
3211120221020020202
4103110200301020
51130440103300
652055311332
711014115552
oct2324406110
9746836222
10324144200
11156a75376
129067b548
1352202603
143109a4d2
151d6ccad5
hex13520c48

324144200 has 48 divisors (see below), whose sum is σ = 760600500. Its totient is φ = 128459520.

The previous prime is 324144187. The next prime is 324144209. The reversal of 324144200 is 2441423.

It can be written as a sum of positive squares in 6 ways, for example, as 104571076 + 219573124 = 10226^2 + 14818^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (324144209) 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, 14366 + ... + 29234.

Almost surely, 2324144200 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 324144200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380300250).

324144200 is an abundant number, since it is smaller than the sum of its proper divisors (436456300).

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

324144200 is a wasteful number, since it uses less digits than its factorization.

324144200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14994 (or 14985 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 324144200 is about 18004.0051099748. The cubic root of 324144200 is about 686.9304241193.

Adding to 324144200 its reverse (2441423), we get a palindrome (326585623).

The spelling of 324144200 in words is "three hundred twenty-four million, one hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 109 200 218 436 545 872 1090 2180 2725 4360 5450 10900 14869 21800 29738 59476 74345 118952 148690 297380 371725 594760 743450 1486900 1620721 2973800 3241442 6482884 8103605 12965768 16207210 32414420 40518025 64828840 81036050 162072100 324144200