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1138048 = 2717523
BaseRepresentation
bin100010101110110000000
32010211002221
410111312000
5242404143
640220424
712446632
oct4256600
92124087
101138048
1170803a
1246a714
1330b002
14218a52
151772ed
hex115d80

1138048 has 32 divisors (see below), whose sum is σ = 2405160. Its totient is φ = 534528.

The previous prime is 1138019. The next prime is 1138057. The reversal of 1138048 is 8408311.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915 + ... + 2437.

21138048 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 1138048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202580).

1138048 is an abundant number, since it is smaller than the sum of its proper divisors (1267112).

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

1138048 is an equidigital number, since it uses as much as digits as its factorization.

1138048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1138048 is about 1066.7933258134. The cubic root of 1138048 is about 104.4047344975.

The spelling of 1138048 in words is "one million, one hundred thirty-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 523 544 1046 1088 2092 2176 4184 8368 8891 16736 17782 33472 35564 66944 71128 142256 284512 569024 1138048