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4340920 = 235472309
BaseRepresentation
bin10000100011110010111000
322011112121211
4100203302320
52102402140
6233012504
751616513
oct20436270
98145554
104340920
1124a5441
121554134
13b8cabc
1480dd7a
155ab2ea
hex423cb8

4340920 has 32 divisors (see below), whose sum is σ = 9979200. Its totient is φ = 1698688.

The previous prime is 4340909. The next prime is 4340927. The reversal of 4340920 is 290434.

It is a junction number, because it is equal to n+sod(n) for n = 4340891 and 4340900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340927) 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, 726 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 24340920 is an apocalyptic number.

4340920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4340920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4989600).

4340920 is an abundant number, since it is smaller than the sum of its proper divisors (5638280).

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

4340920 is a wasteful number, since it uses less digits than its factorization.

4340920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4340920 is about 2083.4874609654. The cubic root of 4340920 is about 163.1275301399.

The spelling of 4340920 in words is "four million, three hundred forty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 2309 4618 9236 11545 18472 23090 46180 92360 108523 217046 434092 542615 868184 1085230 2170460 4340920