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242270030 = 2581129873
BaseRepresentation
bin11100111000010…
…11111101001110
3121212212121000002
432130023331032
5444010120110
640012404302
76001155422
oct1634137516
9555777002
10242270030
11114834072
1269176692
133b267162
1424266b82
1516408aa5
hexe70bf4e

242270030 has 16 divisors (see below), whose sum is σ = 436638384. Its totient is φ = 96785280.

The previous prime is 242270029. The next prime is 242270047. The reversal of 242270030 is 30072242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 242269984 and 242270011.

It is a congruent number.

It is an unprimeable number.

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, 6827 + ... + 23046.

It is an arithmetic number, because the mean of its divisors is an integer number (27289899).

Almost surely, 2242270030 is an apocalyptic number.

242270030 is a deficient number, since it is larger than the sum of its proper divisors (194368354).

242270030 is a wasteful number, since it uses less digits than its factorization.

242270030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30691.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 242270030 is about 15565.0258592782. The cubic root of 242270030 is about 623.3996647139.

The spelling of 242270030 in words is "two hundred forty-two million, two hundred seventy thousand, thirty".

Divisors: 1 2 5 10 811 1622 4055 8110 29873 59746 149365 298730 24227003 48454006 121135015 242270030