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210953000 = 23531712409
BaseRepresentation
bin11001001001011…
…10001100101000
3112200221112010002
430210232030220
5413000444000
632533242132
75141033216
oct1444561450
9480845102
10210953000
11a9094125
125a793348
133492087b
1420033cb6
15137be8d5
hexc92e328

210953000 has 64 divisors (see below), whose sum is σ = 522709200. Its totient is φ = 79411200.

The previous prime is 210952997. The next prime is 210953009. The reversal of 210953000 is 359012.

210953000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 64516 + 210888484 = 254^2 + 14522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210953009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10796 + ... + 23204.

Almost surely, 2210953000 is an apocalyptic number.

210953000 is a gapful number since it is divisible by the number (20) 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 210953000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261354600).

210953000 is an abundant number, since it is smaller than the sum of its proper divisors (311756200).

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

210953000 is a wasteful number, since it uses less digits than its factorization.

210953000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447 (or 12433 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 210953000 is about 14524.2211495144. The cubic root of 210953000 is about 595.2899747036.

The spelling of 210953000 in words is "two hundred ten million, nine hundred fifty-three thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 680 850 1000 1700 2125 3400 4250 8500 12409 17000 24818 49636 62045 99272 124090 210953 248180 310225 421906 496360 620450 843812 1054765 1240900 1551125 1687624 2109530 2481800 3102250 4219060 5273825 6204500 8438120 10547650 12409000 21095300 26369125 42190600 52738250 105476500 210953000