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210984012 = 22325860667
BaseRepresentation
bin11001001001101…
…01110001001100
3112201000002122200
430210311301030
5413002442022
632534041500
75141222511
oct1444656114
9481002580
10210984012
11a9105458
125a7a9290
1334931a15
1420041308
15137c8bac
hexc935c4c

210984012 has 18 divisors (see below), whose sum is σ = 533320788. Its totient is φ = 70327992.

The previous prime is 210984001. The next prime is 210984017. The reversal of 210984012 is 210489012.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2109840122 = 89028506639232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210984017) 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 5 ways as a sum of consecutive naturals, for example, 2930298 + ... + 2930369.

Almost surely, 2210984012 is an apocalyptic number.

It is an amenable number.

210984012 is an abundant number, since it is smaller than the sum of its proper divisors (322336776).

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

210984012 is a wasteful number, since it uses less digits than its factorization.

210984012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860677 (or 5860672 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 210984012 is about 14525.2887062530. The cubic root of 210984012 is about 595.3191442787.

The spelling of 210984012 in words is "two hundred ten million, nine hundred eighty-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 5860667 11721334 17582001 23442668 35164002 52746003 70328004 105492006 210984012