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1145152 = 2629617
BaseRepresentation
bin100010111100101000000
32011011212001
410113211000
5243121102
640313344
712506431
oct4274500
92134761
101145152
11712408
12472854
13311308
1421b488
15179487
hex117940

1145152 has 28 divisors (see below), whose sum is σ = 2354580. Its totient is φ = 551936.

The previous prime is 1145143. The next prime is 1145173. The reversal of 1145152 is 2515411.

1145152 = 183 + 193 + ... + 463.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 891136 = 504^2 + 944^2 .

It is a super-2 number, since 2×11451522 = 2622746206208, which contains 22 as substring.

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, 1548 + ... + 2164.

21145152 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 1145152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177290).

1145152 is an abundant number, since it is smaller than the sum of its proper divisors (1209428).

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

1145152 is an equidigital number, since it uses as much as digits as its factorization.

1145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 648 counting only the distinct ones).

The product of its digits is 200, while the sum is 19.

The square root of 1145152 is about 1070.1177505303. The cubic root of 1145152 is about 104.6215247927.

The spelling of 1145152 in words is "one million, one hundred forty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 617 928 1234 1856 2468 4936 9872 17893 19744 35786 39488 71572 143144 286288 572576 1145152