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320141952 = 27321321377
BaseRepresentation
bin10011000101001…
…111101010000000
3211022101220012100
4103011033222000
51123424020302
651433430400
710635106314
oct2305175200
9738356170
10320141952
11154791429
128b26b400
1351430a10
1430737b44
151d18bd1c
hex1314fa80

320141952 has 96 divisors (see below), whose sum is σ = 992152980. Its totient is φ = 98500608.

The previous prime is 320141947. The next prime is 320141953. The reversal of 320141952 is 259141023.

320141952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 257795136 + 62346816 = 16056^2 + 7896^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (320141953) 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, 4288 + ... + 25664.

Almost surely, 2320141952 is an apocalyptic number.

320141952 is a gapful number since it is divisible by the number (32) 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 320141952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496076490).

320141952 is an abundant number, since it is smaller than the sum of its proper divisors (672011028).

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

320141952 is a wasteful number, since it uses less digits than its factorization.

320141952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21410 (or 21395 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 320141952 is about 17892.5110590996. The cubic root of 320141952 is about 684.0915030965.

Adding to 320141952 its reverse (259141023), we get a palindrome (579282975).

The spelling of 320141952 in words is "three hundred twenty million, one hundred forty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 288 312 384 416 468 576 624 832 936 1152 1248 1664 1872 2496 3744 4992 7488 14976 21377 42754 64131 85508 128262 171016 192393 256524 277901 342032 384786 513048 555802 684064 769572 833703 1026096 1111604 1368128 1539144 1667406 2052192 2223208 2501109 2736256 3078288 3334812 4104384 4446416 5002218 6156576 6669624 8208768 8892832 10004436 12313152 13339248 17785664 20008872 24626304 26678496 35571328 40017744 53356992 80035488 106713984 160070976 320141952