Search a number
-
+
489728967 = 37138321613
BaseRepresentation
bin11101001100001…
…010101111000111
31021010111210211220
4131030022233013
52000332311332
6120332331423
715064425150
oct3514125707
91233453756
10489728967
11231491692
12118013b73
137a5ca070
1449080927
152ced9d2c
hex1d30abc7

489728967 has 32 divisors (see below), whose sum is σ = 813378048. Its totient is φ = 255194496.

The previous prime is 489728947. The next prime is 489728977. The reversal of 489728967 is 769827984.

It is not a de Polignac number, because 489728967 - 214 = 489712583 is a prime.

It is a super-2 number, since 2×4897289672 = 479668922237774178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489728967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489728927) 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, 11853 + ... + 33465.

It is an arithmetic number, because the mean of its divisors is an integer number (25418064).

Almost surely, 2489728967 is an apocalyptic number.

489728967 is a deficient number, since it is larger than the sum of its proper divisors (323649081).

489728967 is a wasteful number, since it uses less digits than its factorization.

489728967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719.

The product of its digits is 12192768, while the sum is 60.

The square root of 489728967 is about 22129.8207629434. The cubic root of 489728967 is about 788.2281321962.

The spelling of 489728967 in words is "four hundred eighty-nine million, seven hundred twenty-eight thousand, nine hundred sixty-seven".

Divisors: 1 3 7 13 21 39 83 91 249 273 581 1079 1743 3237 7553 21613 22659 64839 151291 280969 453873 842907 1793879 1966783 5381637 5900349 12557153 23320427 37671459 69961281 163242989 489728967