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740450141 is a prime number
BaseRepresentation
bin101100001000100…
…101111101011101
31220121021202122022
4230020211331131
53004023401031
6201250225525
724230502524
oct5410457535
91817252568
10740450141
1134aa68172
12187b852a5
13ba532aa2
14704a74bb
154501297b
hex2c225f5d

740450141 has 2 divisors, whose sum is σ = 740450142. Its totient is φ = 740450140.

The previous prime is 740450131. The next prime is 740450143. The reversal of 740450141 is 141054047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539632900 + 200817241 = 23230^2 + 14171^2 .

It is an emirp because it is prime and its reverse (141054047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-740450141 is a prime.

It is a super-2 number, since 2×7404501412 = 1096532822613839762, which contains 22 as substring.

Together with 740450143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740450141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740450143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370225070 + 370225071.

It is an arithmetic number, because the mean of its divisors is an integer number (370225071).

Almost surely, 2740450141 is an apocalyptic number.

It is an amenable number.

740450141 is a deficient number, since it is larger than the sum of its proper divisors (1).

740450141 is an equidigital number, since it uses as much as digits as its factorization.

740450141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 740450141 is about 27211.2135157549. The cubic root of 740450141 is about 904.6875353637.

The spelling of 740450141 in words is "seven hundred forty million, four hundred fifty thousand, one hundred forty-one".