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242429785 = 5136755667
BaseRepresentation
bin11100111001100…
…10111101011001
3121220011201010221
432130302331121
5444030223120
640020040041
76002422243
oct1634627531
9556151127
10242429785
111149330a4
1269233021
133b2c1aa0
14242a9093
151643b0aa
hexe732f59

242429785 has 16 divisors (see below), whose sum is σ = 317975616. Its totient is φ = 176349888.

The previous prime is 242429773. The next prime is 242429813. The reversal of 242429785 is 587924242.

It is a happy number.

It is not a de Polignac number, because 242429785 - 29 = 242429273 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 23479 + ... + 32188.

It is an arithmetic number, because the mean of its divisors is an integer number (19873476).

Almost surely, 2242429785 is an apocalyptic number.

It is an amenable number.

242429785 is a deficient number, since it is larger than the sum of its proper divisors (75545831).

242429785 is a wasteful number, since it uses less digits than its factorization.

242429785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55752.

The product of its digits is 322560, while the sum is 43.

The square root of 242429785 is about 15570.1568713999. The cubic root of 242429785 is about 623.5366596902.

The spelling of 242429785 in words is "two hundred forty-two million, four hundred twenty-nine thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 67 335 871 4355 55667 278335 723671 3618355 3729689 18648445 48485957 242429785