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242447160 = 23352020393
BaseRepresentation
bin11100111001101…
…11001100111000
3121220012120222110
432130313030320
5444031302120
640020252320
76002524014
oct1634671470
9556176873
10242447160
1111494515a
12692410a0
133b2c9977
14242b1544
15164412e0
hexe737338

242447160 has 32 divisors (see below), whose sum is σ = 727341840. Its totient is φ = 64652544.

The previous prime is 242447143. The next prime is 242447243. The reversal of 242447160 is 61744242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010077 + ... + 1010316.

Almost surely, 2242447160 is an apocalyptic number.

242447160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242447160 is an abundant number, since it is smaller than the sum of its proper divisors (484894680).

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

242447160 is a wasteful number, since it uses less digits than its factorization.

242447160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020407 (or 2020403 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 242447160 is about 15570.7148198148. The cubic root of 242447160 is about 623.5515556743.

The spelling of 242447160 in words is "two hundred forty-two million, four hundred forty-seven thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2020393 4040786 6061179 8081572 10101965 12122358 16163144 20203930 24244716 30305895 40407860 48489432 60611790 80815720 121223580 242447160