Search a number
-
+
34988139 = 3319241283
BaseRepresentation
bin1000010101111…
…0000001101011
32102211120201000
42011132001223
532424110024
63245530043
7603252144
oct205360153
972746630
1034988139
111882811a
12b873923
137330554
14490aacb
153111cc9
hex215e06b

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".

Divisors: 1 3 9 19 27 57 171 241 283 513 723 849 2169 2547 4579 5377 6507 7641 13737 16131 41211 48393 68203 123633 145179 204609 613827 1295857 1841481 3887571 11662713 34988139