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289216934 = 210110713381
BaseRepresentation
bin10001001111010…
…001100110100110
3202011012202001022
4101033101212212
51043014420214
644410531142
710111206026
oct2117214646
9664182038
10289216934
11139289a66
1280a36ab2
1347bc39a6
142a5a7a86
151a5cdd8e
hex113d19a6

289216934 has 16 divisors (see below), whose sum is σ = 442248336. Its totient is φ = 141828000.

The previous prime is 289216933. The next prime is 289216943. The reversal of 289216934 is 439612982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289216933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14924 + ... + 28304.

It is an arithmetic number, because the mean of its divisors is an integer number (27640521).

Almost surely, 2289216934 is an apocalyptic number.

289216934 is a deficient number, since it is larger than the sum of its proper divisors (153031402).

289216934 is a wasteful number, since it uses less digits than its factorization.

289216934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591.

The product of its digits is 186624, while the sum is 44.

The square root of 289216934 is about 17006.3792148711. The cubic root of 289216934 is about 661.3142880095.

The spelling of 289216934 in words is "two hundred eighty-nine million, two hundred sixteen thousand, nine hundred thirty-four".

Divisors: 1 2 101 107 202 214 10807 13381 21614 26762 1351481 1431767 2702962 2863534 144608467 289216934