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210872116 = 22713244563
BaseRepresentation
bin11001001000110…
…10011100110100
3112200210102011101
430210122130310
5412440401431
632531415444
75140245340
oct1444323464
9480712141
10210872116
11a9039384
125a754584
13348c2b00
1420012620
15137a5961
hexc91a734

210872116 has 36 divisors (see below), whose sum is σ = 456691872. Its totient is φ = 83420064.

The previous prime is 210872113. The next prime is 210872161. The reversal of 210872116 is 611278012.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210872111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17550 + ... + 27013.

Almost surely, 2210872116 is an apocalyptic number.

210872116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

210872116 is an abundant number, since it is smaller than the sum of its proper divisors (245819756).

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

210872116 is a wasteful number, since it uses less digits than its factorization.

210872116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44600 (or 44585 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 210872116 is about 14521.4364303260. The cubic root of 210872116 is about 595.2138825733.

The spelling of 210872116 in words is "two hundred ten million, eight hundred seventy-two thousand, one hundred sixteen".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 44563 89126 178252 311941 579319 623882 1158638 1247764 2317276 4055233 7531147 8110466 15062294 16220932 30124588 52718029 105436058 210872116