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242430320 = 24511275489
BaseRepresentation
bin11100111001100…
…11000101110000
3121220011201212202
432130303011300
5444030232240
640020042332
76002423636
oct1634630560
9556151782
10242430320
11114933540
12692333a8
133b2c20c2
14242a9356
151643b315
hexe733170

242430320 has 40 divisors (see below), whose sum is σ = 614893680. Its totient is φ = 88156160.

The previous prime is 242430311. The next prime is 242430341. The reversal of 242430320 is 23034242.

242430320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 242430292 and 242430301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136865 + ... + 138624.

It is an arithmetic number, because the mean of its divisors is an integer number (15372342).

Almost surely, 2242430320 is an apocalyptic number.

242430320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242430320 is an abundant number, since it is smaller than the sum of its proper divisors (372463360).

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

242430320 is a wasteful number, since it uses less digits than its factorization.

242430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275513 (or 275507 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 242430320 is about 15570.1740516926. The cubic root of 242430320 is about 623.5371183685.

Adding to 242430320 its reverse (23034242), we get a palindrome (265464562).

The spelling of 242430320 in words is "two hundred forty-two million, four hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 275489 550978 1101956 1377445 2203912 2754890 3030379 4407824 5509780 6060758 11019560 12121516 15151895 22039120 24243032 30303790 48486064 60607580 121215160 242430320