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1138319 = 72131787
BaseRepresentation
bin100010101111010001111
32010211110222
410111322033
5242411234
640221555
712450500
oct4257217
92124428
101138319
11708266
1246a8bb
1330b180
14218ba7
1517742e
hex115e8f

1138319 has 12 divisors (see below), whose sum is σ = 1426824. Its totient is φ = 900144.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138319 is 9138311.

It is a de Polignac number, because none of the positive numbers 2k-1138319 is a prime.

It is a super-2 number, since 2×11383192 = 2591540291522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (118902).

21138319 is an apocalyptic number.

1138319 is a deficient number, since it is larger than the sum of its proper divisors (288505).

1138319 is a wasteful number, since it uses less digits than its factorization.

1138319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1807 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 1138319 is about 1066.9203344205. The cubic root of 1138319 is about 104.4130210366.

The spelling of 1138319 in words is "one million, one hundred thirty-eight thousand, three hundred nineteen".

Divisors: 1 7 13 49 91 637 1787 12509 23231 87563 162617 1138319