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242105029 is a prime number
BaseRepresentation
bin11100110111000…
…11101011000101
3121212120012122221
432123203223011
5443434330104
640005052341
75666600365
oct1633435305
9555505587
10242105029
11114731101
12690b70b1
133b20a01a
14242229a5
15163c4c54
hexe6e3ac5

242105029 has 2 divisors, whose sum is σ = 242105030. Its totient is φ = 242105028.

The previous prime is 242104991. The next prime is 242105081. The reversal of 242105029 is 920501242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227104900 + 15000129 = 15070^2 + 3873^2 .

It is a cyclic number.

It is not a de Polignac number, because 242105029 - 217 = 241973957 is a prime.

It is a super-2 number, since 2×2421050292 = 117229690134181682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242104994 and 242105012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242105089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121052514 + 121052515.

It is an arithmetic number, because the mean of its divisors is an integer number (121052515).

Almost surely, 2242105029 is an apocalyptic number.

It is an amenable number.

242105029 is a deficient number, since it is larger than the sum of its proper divisors (1).

242105029 is an equidigital number, since it uses as much as digits as its factorization.

242105029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 242105029 is about 15559.7245798247. The cubic root of 242105029 is about 623.2581078891.

The spelling of 242105029 in words is "two hundred forty-two million, one hundred five thousand, twenty-nine".