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243114220 = 225591791151
BaseRepresentation
bin11100111110110…
…10000011101100
3121221110111000101
432133122003230
5444214123340
640042440444
76011302546
oct1637320354
9557414011
10243114220
11115260348
1269503124
133b4a148b
1424406696
1516523c9a
hexe7da0ec

243114220 has 48 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 94980800.

The previous prime is 243114191. The next prime is 243114241. The reversal of 243114220 is 22411342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210645 + ... + 211795.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2243114220 is an apocalyptic number.

243114220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243114220 is an abundant number, since it is smaller than the sum of its proper divisors (279432980).

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

243114220 is a wasteful number, since it uses less digits than its factorization.

243114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 243114220 is about 15592.1204459175. The cubic root of 243114220 is about 624.1229041002.

Adding to 243114220 its reverse (22411342), we get a palindrome (265525562).

The spelling of 243114220 in words is "two hundred forty-three million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 179 236 295 358 590 716 895 1151 1180 1790 2302 3580 4604 5755 10561 11510 21122 23020 42244 52805 67909 105610 135818 206029 211220 271636 339545 412058 679090 824116 1030145 1358180 2060290 4120580 12155711 24311422 48622844 60778555 121557110 243114220