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34198989 = 311372757
BaseRepresentation
bin1000001001110…
…1010111001101
32101100111012020
42002131113031
532223331424
63221000353
7563454336
oct202352715
971314166
1034198989
1118339230
12b5530b9
1371152b6
14478328d
153008079
hex209d5cd

34198989 has 24 divisors (see below), whose sum is σ = 51192288. Its totient is φ = 20139840.

The previous prime is 34198981. The next prime is 34199027. The reversal of 34198989 is 98989143.

It is a happy number.

34198989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34198989 - 23 = 34198981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34198981) 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 23 ways as a sum of consecutive naturals, for example, 44799 + ... + 45555.

It is an arithmetic number, because the mean of its divisors is an integer number (2133012).

Almost surely, 234198989 is an apocalyptic number.

It is an amenable number.

34198989 is a deficient number, since it is larger than the sum of its proper divisors (16993299).

34198989 is a wasteful number, since it uses less digits than its factorization.

34198989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 808 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 34198989 is about 5847.9901675704. The cubic root of 34198989 is about 324.5919581293.

The spelling of 34198989 in words is "thirty-four million, one hundred ninety-eight thousand, nine hundred eighty-nine".

Divisors: 1 3 11 33 37 111 407 757 1221 1369 2271 4107 8327 15059 24981 28009 45177 84027 308099 924297 1036333 3108999 11399663 34198989