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1994211 = 32435153
BaseRepresentation
bin111100110110111100011
310202022112200
413212313203
51002303321
6110424243
722644012
oct7466743
93668480
101994211
11114230a
12802083
1354a90b
1439ca79
15295d26
hex1e6de3

1994211 has 12 divisors (see below), whose sum is σ = 2948088. Its totient is φ = 1298304.

The previous prime is 1994207. The next prime is 1994227. The reversal of 1994211 is 1124991.

It is not a de Polignac number, because 1994211 - 22 = 1994207 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

1994211 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1994711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2190 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (245674).

21994211 is an apocalyptic number.

1994211 is a deficient number, since it is larger than the sum of its proper divisors (953877).

1994211 is a wasteful number, since it uses less digits than its factorization.

1994211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5199 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1994211 is about 1412.1653585894. The cubic root of 1994211 is about 125.8704261314.

The spelling of 1994211 in words is "one million, nine hundred ninety-four thousand, two hundred eleven".

Divisors: 1 3 9 43 129 387 5153 15459 46377 221579 664737 1994211