Search a number
-
+
1250456741 is a prime number
BaseRepresentation
bin100101010001000…
…0111010010100101
310020010221210011122
41022202013102211
510030104103431
6324025343325
742662464322
oct11242072245
93203853148
101250456741
11591939726
122aa937b45
1316c0ac741
14bc105b49
1574ba5a7b
hex4a8874a5

1250456741 has 2 divisors, whose sum is σ = 1250456742. Its totient is φ = 1250456740.

The previous prime is 1250456731. The next prime is 1250456783. The reversal of 1250456741 is 1476540521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1182328225 + 68128516 = 34385^2 + 8254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1250456741 is a prime.

It is a super-2 number, since 2×12504567412 = 3127284122224682162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250456731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625228370 + 625228371.

It is an arithmetic number, because the mean of its divisors is an integer number (625228371).

Almost surely, 21250456741 is an apocalyptic number.

It is an amenable number.

1250456741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250456741 is an equidigital number, since it uses as much as digits as its factorization.

1250456741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1250456741 is about 35361.7977625573. The cubic root of 1250456741 is about 1077.3485315263.

The spelling of 1250456741 in words is "one billion, two hundred fifty million, four hundred fifty-six thousand, seven hundred forty-one".