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242533320 = 233510120011
BaseRepresentation
bin11100111010011…
…00001111001000
3121220100222011120
432131030033020
5444042031240
640022155240
76003333141
oct1635141710
9556328146
10242533320
111149a3967
1269282b20
133b329c53
14242d4ac8
151645bad0
hexe74c3c8

242533320 has 64 divisors (see below), whose sum is σ = 734840640. Its totient is φ = 64032000.

The previous prime is 242533289. The next prime is 242533349. The reversal of 242533320 is 23335242.

242533320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2425333202 = 117644822620444800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2115 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (11481885).

Almost surely, 2242533320 is an apocalyptic number.

242533320 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 242533320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367420320).

242533320 is an abundant number, since it is smaller than the sum of its proper divisors (492307320).

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

242533320 is a wasteful number, since it uses less digits than its factorization.

242533320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126 (or 20122 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 242533320 is about 15573.4813063746. The cubic root of 242533320 is about 623.6254120960.

Adding to 242533320 its reverse (23335242), we get a palindrome (265868562).

The spelling of 242533320 in words is "two hundred forty-two million, five hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 101 120 202 303 404 505 606 808 1010 1212 1515 2020 2424 3030 4040 6060 12120 20011 40022 60033 80044 100055 120066 160088 200110 240132 300165 400220 480264 600330 800440 1200660 2021111 2401320 4042222 6063333 8084444 10105555 12126666 16168888 20211110 24253332 30316665 40422220 48506664 60633330 80844440 121266660 242533320