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242126728 = 23191592939
BaseRepresentation
bin11100110111010…
…00111110001000
3121212121022102121
432123220332020
5443441023403
640005341024
76000020554
oct1633507610
9555538377
10242126728
11114746438
1269107774
133b216b6c
142422a864
15163cb3bd
hexe6e8f88

242126728 has 16 divisors (see below), whose sum is σ = 477882000. Its totient is φ = 114691536.

The previous prime is 242126711. The next prime is 242126743. The reversal of 242126728 is 827621242.

It is a junction number, because it is equal to n+sod(n) for n = 242126693 and 242126702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796318 + ... + 796621.

It is an arithmetic number, because the mean of its divisors is an integer number (29867625).

Almost surely, 2242126728 is an apocalyptic number.

It is an amenable number.

242126728 is a deficient number, since it is larger than the sum of its proper divisors (235755272).

242126728 is a wasteful number, since it uses less digits than its factorization.

242126728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592964 (or 1592960 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 242126728 is about 15560.4218451814. The cubic root of 242126728 is about 623.2767274578.

The spelling of 242126728 in words is "two hundred forty-two million, one hundred twenty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 1592939 3185878 6371756 12743512 30265841 60531682 121063364 242126728