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934351989 = 31487209449
BaseRepresentation
bin110111101100010…
…001010001110101
32102010010222222020
4313230101101311
53403143230424
6232414223353
732103601164
oct6754212165
92363128866
10934351989
1143a46552a
12220ab4b59
1311b7634cc
148c13d3db
1557065079
hex37b11475

934351989 has 8 divisors (see below), whose sum is σ = 1246646400. Its totient is φ = 622479456.

The previous prime is 934351981. The next prime is 934351991. The reversal of 934351989 is 989153439.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 934351989 - 23 = 934351981 is a prime.

It is a super-2 number, since 2×9343519892 = 1746027278696512242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (934351981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100264 + ... + 109185.

It is an arithmetic number, because the mean of its divisors is an integer number (155830800).

Almost surely, 2934351989 is an apocalyptic number.

It is an amenable number.

934351989 is a deficient number, since it is larger than the sum of its proper divisors (312294411).

934351989 is a wasteful number, since it uses less digits than its factorization.

934351989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210939.

The product of its digits is 1049760, while the sum is 51.

The square root of 934351989 is about 30567.1717533697. The cubic root of 934351989 is about 977.6202110562.

The spelling of 934351989 in words is "nine hundred thirty-four million, three hundred fifty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 1487 4461 209449 628347 311450663 934351989