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211030300 = 225213212487
BaseRepresentation
bin11001001010000…
…01000100011100
3112201002110011001
430211001010130
5413010432200
632535040044
75141504455
oct1445010434
9481073131
10211030300
11a9137208
125a810024
1334949b00
142005412c
15137d776a
hexc94111c

211030300 has 54 divisors (see below), whose sum is σ = 495910968. Its totient is φ = 77912640.

The previous prime is 211030297. The next prime is 211030331. The reversal of 211030300 is 3030112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10657 + ... + 23143.

Almost surely, 2211030300 is an apocalyptic number.

211030300 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 211030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247955484).

211030300 is an abundant number, since it is smaller than the sum of its proper divisors (284880668).

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

211030300 is a wasteful number, since it uses less digits than its factorization.

211030300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 211030300 is about 14526.8819779057. The cubic root of 211030300 is about 595.3626769889.

Adding to 211030300 its reverse (3030112), we get a palindrome (214060412).

The spelling of 211030300 in words is "two hundred eleven million, thirty thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 650 676 845 1300 1690 3380 4225 8450 12487 16900 24974 49948 62435 124870 162331 249740 312175 324662 624350 649324 811655 1248700 1623310 2110303 3246620 4058275 4220606 8116550 8441212 10551515 16233100 21103030 42206060 52757575 105515150 211030300