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242303784 = 23337327067
BaseRepresentation
bin11100111000101…
…00001100101000
3121212221022022020
432130110030220
5444012210114
640013224440
76001356012
oct1634241450
9555838266
10242303784
11114857468
1269192120
133b279628
14242751b2
1516413aa9
hexe714328

242303784 has 32 divisors (see below), whose sum is σ = 607405920. Its totient is φ = 80548416.

The previous prime is 242303783. The next prime is 242303791. The reversal of 242303784 is 487303242.

It is a super-2 number, since 2×2423037842 = 117422247481437312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242303783) 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, 4582 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (18981435).

Almost surely, 2242303784 is an apocalyptic number.

242303784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242303784 is an abundant number, since it is smaller than the sum of its proper divisors (365102136).

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

242303784 is a wasteful number, since it uses less digits than its factorization.

242303784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27449 (or 27445 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 242303784 is about 15566.1101113926. The cubic root of 242303784 is about 623.4286148557.

The spelling of 242303784 in words is "two hundred forty-two million, three hundred three thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 373 746 1119 1492 2238 2984 4476 8952 27067 54134 81201 108268 162402 216536 324804 649608 10095991 20191982 30287973 40383964 60575946 80767928 121151892 242303784