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326480 = 24571153
BaseRepresentation
bin1001111101101010000
3121120211212
41033231100
540421410
610555252
72526560
oct1175520
9546755
10326480
11203320
12138b28
13b57ab
1486da0
1566b05
hex4fb50

326480 has 80 divisors (see below), whose sum is σ = 964224. Its totient is φ = 99840.

The previous prime is 326479. The next prime is 326497. The reversal of 326480 is 84623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6134 + ... + 6186.

2326480 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 326480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482112).

326480 is an abundant number, since it is smaller than the sum of its proper divisors (637744).

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

326480 is a wasteful number, since it uses less digits than its factorization.

326480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 326480 is about 571.3842839981. The cubic root of 326480 is about 68.8576495350.

The spelling of 326480 in words is "three hundred twenty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 53 55 56 70 77 80 88 106 110 112 140 154 176 212 220 265 280 308 371 385 424 440 530 560 583 616 742 770 848 880 1060 1166 1232 1484 1540 1855 2120 2332 2915 2968 3080 3710 4081 4240 4664 5830 5936 6160 7420 8162 9328 11660 14840 16324 20405 23320 29680 32648 40810 46640 65296 81620 163240 326480