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242809704 = 23331124119
BaseRepresentation
bin11100111100011…
…11101101101000
3121220220000022000
432132033231220
5444124402304
640032131000
76005564004
oct1636175550
9556800260
10242809704
11115072585
1269396a60
133b3c59a7
1424367704
15164b3939
hexe78fb68

242809704 has 32 divisors (see below), whose sum is σ = 674472000. Its totient is φ = 80936496.

The previous prime is 242809703. The next prime is 242809709. The reversal of 242809704 is 407908242.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (242809703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561844 + ... + 562275.

It is an arithmetic number, because the mean of its divisors is an integer number (21077250).

Almost surely, 2242809704 is an apocalyptic number.

242809704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242809704 is an abundant number, since it is smaller than the sum of its proper divisors (431662296).

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

242809704 is a wasteful number, since it uses less digits than its factorization.

242809704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124134 (or 1124124 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 242809704 is about 15582.3523256279. The cubic root of 242809704 is about 623.8622107004.

The spelling of 242809704 in words is "two hundred forty-two million, eight hundred nine thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1124119 2248238 3372357 4496476 6744714 8992952 10117071 13489428 20234142 26978856 30351213 40468284 60702426 80936568 121404852 242809704