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313326400 = 26521131733
BaseRepresentation
bin10010101011001…
…111101101000000
3210211120122000111
4102223033231000
51120202421100
651031401104
710523142022
oct2253175500
9724518014
10313326400
11150956842
1288b23194
134cbb574a
142d882012
151c7926ba
hex12acfb40

313326400 has 84 divisors (see below), whose sum is σ = 778250412. Its totient is φ = 124149760.

The previous prime is 313326389. The next prime is 313326413. The reversal of 313326400 is 4623313.

It can be written as a sum of positive squares in 6 ways, for example, as 70963776 + 242362624 = 8424^2 + 15568^2 .

It is a super-3 number, since 3×3133264003 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179934 + ... + 181666.

Almost surely, 2313326400 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 313326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389125206).

313326400 is an abundant number, since it is smaller than the sum of its proper divisors (464924012).

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

313326400 is a wasteful number, since it uses less digits than its factorization.

313326400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 313326400 is about 17701.0282187222. The cubic root of 313326400 is about 679.2020628840.

Adding to 313326400 its reverse (4623313), we get a palindrome (317949713).

The spelling of 313326400 in words is "three hundred thirteen million, three hundred twenty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 113 160 200 226 320 400 452 565 800 904 1130 1600 1733 1808 2260 2825 3466 3616 4520 5650 6932 7232 8665 9040 11300 13864 17330 18080 22600 27728 34660 36160 43325 45200 55456 69320 86650 90400 110912 138640 173300 180800 195829 277280 346600 391658 554560 693200 783316 979145 1386400 1566632 1958290 2772800 3133264 3916580 4895725 6266528 7833160 9791450 12533056 15666320 19582900 31332640 39165800 62665280 78331600 156663200 313326400