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339872 = 25131943
BaseRepresentation
bin1010010111110100000
3122021012212
41102332200
541333442
611141252
72613611
oct1227640
9567185
10339872
11212395
12144828
13bb910
148bc08
156aa82
hex52fa0

339872 has 48 divisors (see below), whose sum is σ = 776160. Its totient is φ = 145152.

The previous prime is 339863. The next prime is 339887. The reversal of 339872 is 278933.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339872.

It is an unprimeable number.

339872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7883 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2339872 is an apocalyptic number.

339872 is a gapful number since it is divisible by the number (32) 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 339872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388080).

339872 is an abundant number, since it is smaller than the sum of its proper divisors (436288).

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

339872 is a wasteful number, since it uses less digits than its factorization.

339872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 77 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 339872 is about 582.9854200578. The cubic root of 339872 is about 69.7865607413.

The spelling of 339872 in words is "three hundred thirty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 16 19 26 32 38 43 52 76 86 104 152 172 208 247 304 344 416 494 559 608 688 817 988 1118 1376 1634 1976 2236 3268 3952 4472 6536 7904 8944 10621 13072 17888 21242 26144 42484 84968 169936 339872