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242871320 = 2356071783
BaseRepresentation
bin11100111100111…
…10110000011000
3121221000010211002
432132132300120
5444133340240
640033324132
76006241436
oct1636366030
9557003732
10242871320
111151048aa
1269406648
133b417a53
1424381d56
15164c6d15
hexe79ec18

242871320 has 16 divisors (see below), whose sum is σ = 546460560. Its totient is φ = 97148512.

The previous prime is 242871313. The next prime is 242871323. The reversal of 242871320 is 23178242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242871323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035852 + ... + 3035931.

It is an arithmetic number, because the mean of its divisors is an integer number (34153785).

Almost surely, 2242871320 is an apocalyptic number.

242871320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242871320 is an abundant number, since it is smaller than the sum of its proper divisors (303589240).

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

242871320 is a wasteful number, since it uses less digits than its factorization.

242871320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071794 (or 6071790 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 242871320 is about 15584.3293086356. The cubic root of 242871320 is about 623.9149771841.

The spelling of 242871320 in words is "two hundred forty-two million, eight hundred seventy-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 6071783 12143566 24287132 30358915 48574264 60717830 121435660 242871320