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211420200 = 23352352367
BaseRepresentation
bin11001001101000…
…00010000101000
3112201211020222210
430212200100220
5413110421300
632551245120
75145020265
oct1446402050
9481736883
10211420200
11a9383142
125a9797a0
1334a55414
142011626c
1513863050
hexc9a0428

211420200 has 48 divisors (see below), whose sum is σ = 655404480. Its totient is φ = 56378560.

The previous prime is 211420199. The next prime is 211420219. The reversal of 211420200 is 2024112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175584 + ... + 176783.

It is an arithmetic number, because the mean of its divisors is an integer number (13654260).

Almost surely, 2211420200 is an apocalyptic number.

211420200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211420200 is an abundant number, since it is smaller than the sum of its proper divisors (443984280).

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

211420200 is a wasteful number, since it uses less digits than its factorization.

211420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352386 (or 352377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 211420200 is about 14540.2957328935. The cubic root of 211420200 is about 595.7291158240.

Adding to 211420200 its reverse (2024112), we get a palindrome (213444312).

The spelling of 211420200 in words is "two hundred eleven million, four hundred twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 352367 704734 1057101 1409468 1761835 2114202 2818936 3523670 4228404 5285505 7047340 8456808 8809175 10571010 14094680 17618350 21142020 26427525 35236700 42284040 52855050 70473400 105710100 211420200