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1139268 = 2231367109
BaseRepresentation
bin100010110001001000100
32010212210010
410112021010
5242424033
640230220
712453324
oct4261104
92125703
101139268
11708a49
1246b370
1330b730
14219284
15177863
hex116244

1139268 has 48 divisors (see below), whose sum is σ = 2932160. Its totient is φ = 342144.

The previous prime is 1139263. The next prime is 1139269. The reversal of 1139268 is 8629311.

It is not an unprimeable number, because it can be changed into a prime (1139263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10398 + ... + 10506.

21139268 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 1139268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466080).

1139268 is an abundant number, since it is smaller than the sum of its proper divisors (1792892).

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

1139268 is a wasteful number, since it uses less digits than its factorization.

1139268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1139268 is about 1067.3649797515. The cubic root of 1139268 is about 104.4420288495.

The spelling of 1139268 in words is "one million, one hundred thirty-nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 67 78 109 134 156 201 218 268 327 402 436 654 804 871 1308 1417 1742 2613 2834 3484 4251 5226 5668 7303 8502 10452 14606 17004 21909 29212 43818 87636 94939 189878 284817 379756 569634 1139268