Search a number
-
+
17139388 = 2271135417
BaseRepresentation
bin100000101100…
…0011010111100
31012020202211011
41001120122330
513341430023
61411205004
7265453030
oct101303274
935222734
1017139388
119747092
1258a6764
133721366
1423c21c0
15178850d
hex10586bc

17139388 has 24 divisors (see below), whose sum is σ = 34588512. Its totient is φ = 7279104.

The previous prime is 17139379. The next prime is 17139389. The reversal of 17139388 is 88393171.

It is a self number, because there is not a number n which added to its sum of digits gives 17139388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17139389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (1441188).

Almost surely, 217139388 is an apocalyptic number.

It is an amenable number.

17139388 is an abundant number, since it is smaller than the sum of its proper divisors (17449124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17139388 is a wasteful number, since it uses less digits than its factorization.

17139388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541 (or 5539 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 17139388 is about 4139.9743960561. The cubic root of 17139388 is about 257.8290035324.

The spelling of 17139388 in words is "seventeen million, one hundred thirty-nine thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 5417 10834 21668 37919 75838 151676 612121 1224242 2448484 4284847 8569694 17139388