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210000141 = 33131931489
BaseRepresentation
bin11001000010001…
…01100100001101
3112122011010001000
430201011210031
5412230001031
632501010513
75126654211
oct1441054415
9478133030
10210000141
11a85a323a
125a3b3a39
1334678c50
141dc66941
15136823e6
hexc84590d

210000141 has 32 divisors (see below), whose sum is σ = 352688000. Its totient is φ = 122425344.

The previous prime is 210000139. The next prime is 210000149. The reversal of 210000141 is 141000012.

It is a happy number.

It is not a de Polignac number, because 210000141 - 21 = 210000139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9076 + ... + 22413.

It is an arithmetic number, because the mean of its divisors is an integer number (11021500).

Almost surely, 2210000141 is an apocalyptic number.

It is an amenable number.

210000141 is a deficient number, since it is larger than the sum of its proper divisors (142687859).

210000141 is a wasteful number, since it uses less digits than its factorization.

210000141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31530 (or 31524 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 210000141 is about 14491.3816111508. The cubic root of 210000141 is about 594.3923283069.

Adding to 210000141 its reverse (141000012), we get a palindrome (351000153).

The spelling of 210000141 in words is "two hundred ten million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 3 9 13 19 27 39 57 117 171 247 351 513 741 2223 6669 31489 94467 283401 409357 598291 850203 1228071 1794873 3684213 5384619 7777783 11052639 16153857 23333349 70000047 210000141