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689500914 = 237311313931
BaseRepresentation
bin101001000110001…
…111001011110010
31210001102021102220
4221012033023302
52403003012124
6152230221510
723041442514
oct5106171362
91701367386
10689500914
11324229273
12172ab4896
13acb0460b
1467803bb4
15407eb879
hex2918f2f2

689500914 has 32 divisors (see below), whose sum is σ = 1410364224. Its totient is φ = 224663040.

The previous prime is 689500901. The next prime is 689500949. The reversal of 689500914 is 419005986.

689500914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42529 + ... + 56459.

It is an arithmetic number, because the mean of its divisors is an integer number (44073882).

Almost surely, 2689500914 is an apocalyptic number.

689500914 is an abundant number, since it is smaller than the sum of its proper divisors (720863310).

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

689500914 is a wasteful number, since it uses less digits than its factorization.

689500914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14122.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 689500914 is about 26258.3494149956. The cubic root of 689500914 is about 883.4424876464.

The spelling of 689500914 in words is "six hundred eighty-nine million, five hundred thousand, nine hundred fourteen".

Divisors: 1 2 3 6 73 113 146 219 226 339 438 678 8249 13931 16498 24747 27862 41793 49494 83586 1016963 1574203 2033926 3050889 3148406 4722609 6101778 9445218 114916819 229833638 344750457 689500914