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8742490241 is a prime number
BaseRepresentation
bin10000010010001011…
…11101000010000001
3211120021112112000212
420021011331002001
5120401034141431
64003301523505
7426434640512
oct101105750201
924507475025
108742490241
1137869a9351
12183ba13595
13a9430b664
145cd142a09
153627b272b
hex20917d081

8742490241 has 2 divisors, whose sum is σ = 8742490242. Its totient is φ = 8742490240.

The previous prime is 8742490199. The next prime is 8742490283. The reversal of 8742490241 is 1420942478.

It is a balanced prime because it is at equal distance from previous prime (8742490199) and next prime (8742490283).

It can be written as a sum of positive squares in only one way, i.e., 5033193025 + 3709297216 = 70945^2 + 60904^2 .

It is a cyclic number.

It is not a de Polignac number, because 8742490241 - 218 = 8742228097 is a prime.

It is a super-2 number, since 2×87424902412 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8742496241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4371245120 + 4371245121.

It is an arithmetic number, because the mean of its divisors is an integer number (4371245121).

Almost surely, 28742490241 is an apocalyptic number.

It is an amenable number.

8742490241 is a deficient number, since it is larger than the sum of its proper divisors (1).

8742490241 is an equidigital number, since it uses as much as digits as its factorization.

8742490241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8742490241 is about 93501.2847024040. The cubic root of 8742490241 is about 2060.0529600391.

The spelling of 8742490241 in words is "eight billion, seven hundred forty-two million, four hundred ninety thousand, two hundred forty-one".