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242137570 = 25214311299
BaseRepresentation
bin11100110111010…
…11100111100010
3121212121212022011
432123223213202
5443441400240
640005503134
76000064303
oct1633534742
9555555264
10242137570
111147535a4
1269111aaa
133b21ba8c
14242307aa
15163ce6ea
hexe6eb9e2

242137570 has 16 divisors (see below), whose sum is σ = 436089600. Its totient is φ = 96801264.

The previous prime is 242137543. The next prime is 242137573. The reversal of 242137570 is 75731242.

It is not an unprimeable number, because it can be changed into a prime (242137573) by changing a digit.

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, 15781 + ... + 27079.

It is an arithmetic number, because the mean of its divisors is an integer number (27255600).

Almost surely, 2242137570 is an apocalyptic number.

242137570 is a deficient number, since it is larger than the sum of its proper divisors (193952030).

242137570 is a wasteful number, since it uses less digits than its factorization.

242137570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 242137570 is about 15560.7702251527. The cubic root of 242137570 is about 623.2860303897.

The spelling of 242137570 in words is "two hundred forty-two million, one hundred thirty-seven thousand, five hundred seventy".

Divisors: 1 2 5 10 2143 4286 10715 11299 21430 22598 56495 112990 24213757 48427514 121068785 242137570