Base | Representation |
---|---|
bin | 1000010101111… |
… | …0000001101011 |
3 | 2102211120201000 |
4 | 2011132001223 |
5 | 32424110024 |
6 | 3245530043 |
7 | 603252144 |
oct | 205360153 |
9 | 72746630 |
10 | 34988139 |
11 | 1882811a |
12 | b873923 |
13 | 7330554 |
14 | 490aacb |
15 | 3111cc9 |
hex | 215e06b |
34988139 has 32 divisors (see below), whose sum is σ = 54982400. Its totient is φ = 21928320.
The previous prime is 34988131. The next prime is 34988141. The reversal of 34988139 is 93188943.
It is not a de Polignac number, because 34988139 - 23 = 34988131 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 34988094 and 34988103.
It is not an unprimeable number, because it can be changed into a prime (34988131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123492 + ... + 123774.
It is an arithmetic number, because the mean of its divisors is an integer number (1718200).
Almost surely, 234988139 is an apocalyptic number.
34988139 is a deficient number, since it is larger than the sum of its proper divisors (19994261).
34988139 is a wasteful number, since it uses less digits than its factorization.
34988139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552 (or 546 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 34988139 is about 5915.0772606958. The cubic root of 34988139 is about 327.0696762560.
It can be divided in two parts, 349 and 88139, that added together give a palindrome (88488).
The spelling of 34988139 in words is "thirty-four million, nine hundred eighty-eight thousand, one hundred thirty-nine".
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