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211030996 = 221117282127
BaseRepresentation
bin11001001010000…
…01001111010100
3112201002111002211
430211001033110
5413010442441
632535043204
75141506501
oct1445011724
9481074084
10211030996
11a9137790
125a810504
133494a217
14200544a8
15137d7a81
hexc9413d4

211030996 has 24 divisors (see below), whose sum is σ = 426577536. Its totient is φ = 90280320.

The previous prime is 211030951. The next prime is 211031027. The reversal of 211030996 is 699030112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140316 + ... + 141811.

It is an arithmetic number, because the mean of its divisors is an integer number (17774064).

Almost surely, 2211030996 is an apocalyptic number.

It is an amenable number.

211030996 is an abundant number, since it is smaller than the sum of its proper divisors (215546540).

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

211030996 is a wasteful number, since it uses less digits than its factorization.

211030996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282159 (or 282157 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 211030996 is about 14526.9059334739. The cubic root of 211030996 is about 595.3633315110.

The spelling of 211030996 in words is "two hundred eleven million, thirty thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 282127 564254 1128508 3103397 4796159 6206794 9592318 12413588 19184636 52757749 105515498 211030996