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242270738 = 25312791787
BaseRepresentation
bin11100111000011…
…00001000010010
3121212212121222022
432130030020102
5444010130423
640012411442
76001160453
oct1634141022
9555777868
10242270738
11114834656
1269176b82
133b267588
142426712a
1516408dc8
hexe70c212

242270738 has 16 divisors (see below), whose sum is σ = 370759680. Its totient is φ = 118690416.

The previous prime is 242270719. The next prime is 242270747. The reversal of 242270738 is 837072242.

It is a super-2 number, since 2×2422707382 = 117390220982129288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242270698 and 242270707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134681 + ... + 136467.

It is an arithmetic number, because the mean of its divisors is an integer number (23172480).

Almost surely, 2242270738 is an apocalyptic number.

242270738 is a deficient number, since it is larger than the sum of its proper divisors (128488942).

242270738 is a wasteful number, since it uses less digits than its factorization.

242270738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 242270738 is about 15565.0486025582. The cubic root of 242270738 is about 623.4002719792.

The spelling of 242270738 in words is "two hundred forty-two million, two hundred seventy thousand, seven hundred thirty-eight".

Divisors: 1 2 53 106 1279 1787 2558 3574 67787 94711 135574 189422 2285573 4571146 121135369 242270738