Search a number
-
+
1139264 = 2672543
BaseRepresentation
bin100010110001001000000
32010212202222
410112021000
5242424024
640230212
712453320
oct4261100
92125688
101139264
11708a45
1246b368
1330b729
14219280
1517785e
hex116240

1139264 has 28 divisors (see below), whose sum is σ = 2584704. Its totient is φ = 488064.

The previous prime is 1139263. The next prime is 1139269. The reversal of 1139264 is 4629311.

It is a tau number, because it is divible by the number of its divisors (28).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824 + ... + 1719.

21139264 is an apocalyptic number.

1139264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1139264 is an abundant number, since it is smaller than the sum of its proper divisors (1445440).

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

1139264 is an equidigital number, since it uses as much as digits as its factorization.

1139264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2552 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 1139264 is about 1067.3631059766. The cubic root of 1139264 is about 104.4419066164.

The spelling of 1139264 in words is "one million, one hundred thirty-nine thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 2543 5086 10172 17801 20344 35602 40688 71204 81376 142408 162752 284816 569632 1139264