Search a number
-
+
289603996 = 22116581909
BaseRepresentation
bin10001010000110…
…000000110011100
3202011221101222221
4101100300012130
51043114311441
644423115124
710114410343
oct2120600634
9664841887
10289603996
11139523850
1280ba2aa4
1347ccac16
142a668b5a
151a6588d1
hex1143019c

289603996 has 12 divisors (see below), whose sum is σ = 552880440. Its totient is φ = 131638160.

The previous prime is 289603981. The next prime is 289603997. The reversal of 289603996 is 699306982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289603997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290911 + ... + 3290998.

It is an arithmetic number, because the mean of its divisors is an integer number (46073370).

Almost surely, 2289603996 is an apocalyptic number.

It is an amenable number.

289603996 is a deficient number, since it is larger than the sum of its proper divisors (263276444).

289603996 is a wasteful number, since it uses less digits than its factorization.

289603996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581924 (or 6581922 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 289603996 is about 17017.7553161397. The cubic root of 289603996 is about 661.6091710734.

The spelling of 289603996 in words is "two hundred eighty-nine million, six hundred three thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 6581909 13163818 26327636 72400999 144801998 289603996