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1207328 = 25291301
BaseRepresentation
bin100100110110000100000
32021100010212
410212300200
5302113303
641513252
713155623
oct4466040
92240125
101207328
117550a1
124a2828
133336c5
14235dba
1518cad8
hex126c20

1207328 has 24 divisors (see below), whose sum is σ = 2460780. Its totient is φ = 582400.

The previous prime is 1207319. The next prime is 1207331. The reversal of 1207328 is 8237021.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 150544 = 1028^2 + 388^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 1578.

21207328 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 1207328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230390).

1207328 is an abundant number, since it is smaller than the sum of its proper divisors (1253452).

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

1207328 is a wasteful number, since it uses less digits than its factorization.

1207328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1207328 is about 1098.7847832947. The cubic root of 1207328 is about 106.4817281503.

The spelling of 1207328 in words is "one million, two hundred seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 1301 2602 5204 10408 20816 37729 41632 75458 150916 301832 603664 1207328