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238080 = 293531
BaseRepresentation
bin111010001000000000
3110002120210
4322020000
530104310
65034120
72011053
oct721000
9402523
10238080
11152967
12b5940
138449b
1462a9a
154a820
hex3a200

238080 has 80 divisors (see below), whose sum is σ = 785664. Its totient is φ = 61440.

The previous prime is 238079. The next prime is 238081. The reversal of 238080 is 80832.

It is an interprime number because it is at equal distance from previous prime (238079) and next prime (238081).

It is a tau number, because it is divible by the number of its divisors (80).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (238081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7665 + ... + 7695.

2238080 is an apocalyptic number.

238080 is a gapful number since it is divisible by the number (20) 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 238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392832).

238080 is an abundant number, since it is smaller than the sum of its proper divisors (547584).

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

238080 is an equidigital number, since it uses as much as digits as its factorization.

238080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 238080 is about 487.9344218233. The cubic root of 238080 is about 61.9784871600.

The spelling of 238080 in words is "two hundred thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 256 310 320 372 384 465 480 496 512 620 640 744 768 930 960 992 1240 1280 1488 1536 1860 1920 1984 2480 2560 2976 3720 3840 3968 4960 5952 7440 7680 7936 9920 11904 14880 15872 19840 23808 29760 39680 47616 59520 79360 119040 238080