Search a number
-
+
240745741 is a prime number
BaseRepresentation
bin11100101100101…
…11110100001101
3121210000011001221
432112113310031
5443112330431
635520003341
75652206425
oct1626276415
9553004057
10240745741
11113992925
1268760551
133ab52402
1423d8b485
1516207111
hexe597d0d

240745741 has 2 divisors, whose sum is σ = 240745742. Its totient is φ = 240745740.

The previous prime is 240745699. The next prime is 240745753. The reversal of 240745741 is 147547042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147719716 + 93026025 = 12154^2 + 9645^2 .

It is a cyclic number.

It is not a de Polignac number, because 240745741 - 227 = 106528013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240745697 and 240745706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240745781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120372870 + 120372871.

It is an arithmetic number, because the mean of its divisors is an integer number (120372871).

Almost surely, 2240745741 is an apocalyptic number.

It is an amenable number.

240745741 is a deficient number, since it is larger than the sum of its proper divisors (1).

240745741 is an equidigital number, since it uses as much as digits as its factorization.

240745741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 240745741 is about 15515.9834042190. The cubic root of 240745741 is about 622.0894997400.

The spelling of 240745741 in words is "two hundred forty million, seven hundred forty-five thousand, seven hundred forty-one".