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34192989 = 331966653
BaseRepresentation
bin1000001001101…
…1111001011101
32101100011222000
42002123321131
532223133424
63220512513
7563431005
oct202337135
971304860
1034192989
1118334776
12b54b739
13711264c
144781005
1530063c9
hex209be5d

34192989 has 16 divisors (see below), whose sum is σ = 53323200. Its totient is φ = 21595248.

The previous prime is 34192987. The next prime is 34192997. The reversal of 34192989 is 98929143.

It is not a de Polignac number, because 34192989 - 21 = 34192987 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34192987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32814 + ... + 33839.

It is an arithmetic number, because the mean of its divisors is an integer number (3332700).

Almost surely, 234192989 is an apocalyptic number.

It is an amenable number.

34192989 is a deficient number, since it is larger than the sum of its proper divisors (19130211).

34192989 is a wasteful number, since it uses less digits than its factorization.

34192989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66681 (or 66675 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 34192989 is about 5847.4771483093. The cubic root of 34192989 is about 324.5729744721.

The spelling of 34192989 in words is "thirty-four million, one hundred ninety-two thousand, nine hundred eighty-nine".

Divisors: 1 3 9 19 27 57 171 513 66653 199959 599877 1266407 1799631 3799221 11397663 34192989