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242843804 = 22721238999
BaseRepresentation
bin11100111100110…
…00000010011100
3121220221202001222
432132120002130
5444132000204
640032552512
76006065300
oct1636300234
9556852058
10242843804
11115096165
12693b2738
133b408378
1424375d00
15164bdabe
hexe79809c

242843804 has 18 divisors (see below), whose sum is σ = 494361000. Its totient is φ = 104075832.

The previous prime is 242843789. The next prime is 242843819. The reversal of 242843804 is 408348242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242843789) and next prime (242843819).

It is a super-2 number, since 2×2428438042 = 117946226282380832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619304 + ... + 619695.

It is an arithmetic number, because the mean of its divisors is an integer number (27464500).

Almost surely, 2242843804 is an apocalyptic number.

It is an amenable number.

242843804 is an abundant number, since it is smaller than the sum of its proper divisors (251517196).

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

242843804 is a wasteful number, since it uses less digits than its factorization.

242843804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239017 (or 1239008 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 242843804 is about 15583.4464737426. The cubic root of 242843804 is about 623.8914142361.

The spelling of 242843804 in words is "two hundred forty-two million, eight hundred forty-three thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 1238999 2477998 4955996 8672993 17345986 34691972 60710951 121421902 242843804