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1055488 = 2871931
BaseRepresentation
bin100000001101100000000
31222121212011
410001230000
5232233423
634342304
711654140
oct4015400
91877764
101055488
11661005
1242a994
132ac565
141d6920
1515cb0d
hex101b00

1055488 has 72 divisors (see below), whose sum is σ = 2616320. Its totient is φ = 414720.

The previous prime is 1055471. The next prime is 1055489. The reversal of 1055488 is 8845501.

It is a super-2 number, since 2×10554882 = 2228109836288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34033 + ... + 34063.

21055488 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 1055488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308160).

1055488 is an abundant number, since it is smaller than the sum of its proper divisors (1560832).

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

1055488 is an equidigital number, since it uses as much as digits as its factorization.

1055488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 1055488 is about 1027.3694564274. The cubic root of 1055488 is about 101.8164068955.

The spelling of 1055488 in words is "one million, fifty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 31 32 38 56 62 64 76 112 124 128 133 152 217 224 248 256 266 304 434 448 496 532 589 608 868 896 992 1064 1178 1216 1736 1792 1984 2128 2356 2432 3472 3968 4123 4256 4712 4864 6944 7936 8246 8512 9424 13888 16492 17024 18848 27776 32984 34048 37696 55552 65968 75392 131936 150784 263872 527744 1055488