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1145088 = 2832771
BaseRepresentation
bin100010111100100000000
32011011202200
410113210000
5243120323
640313200
712506310
oct4274400
92134680
101145088
1171235a
12472800
13311289
1421b440
15179443
hex117900

1145088 has 108 divisors (see below), whose sum is σ = 3826368. Its totient is φ = 322560.

The previous prime is 1145077. The next prime is 1145093. The reversal of 1145088 is 8805411.

It is a super-2 number, since 2×11450882 = 2622453055488, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16093 + ... + 16163.

21145088 is an apocalyptic number.

1145088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913184).

1145088 is an abundant number, since it is smaller than the sum of its proper divisors (2681280).

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

1145088 is an equidigital number, since it uses as much as digits as its factorization.

1145088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1145088 is about 1070.0878468612. The cubic root of 1145088 is about 104.6195757349.

The spelling of 1145088 in words is "one million, one hundred forty-five thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 71 72 84 96 112 126 128 142 144 168 192 213 224 252 256 284 288 336 384 426 448 497 504 568 576 639 672 768 852 896 994 1008 1136 1152 1278 1344 1491 1704 1792 1988 2016 2272 2304 2556 2688 2982 3408 3976 4032 4473 4544 5112 5376 5964 6816 7952 8064 8946 9088 10224 11928 13632 15904 16128 17892 18176 20448 23856 27264 31808 35784 40896 47712 54528 63616 71568 81792 95424 127232 143136 163584 190848 286272 381696 572544 1145088