Search a number
-
+
274575493 is a prime number
BaseRepresentation
bin10000010111011…
…011000010000101
3201010122212202201
4100113123002011
51030242403433
643125034501
76542565433
oct2027330205
9633585681
10274575493
11130a996a5
1277b55a31
1344b6860a
1428675d53
151918aa7d
hex105db085

274575493 has 2 divisors, whose sum is σ = 274575494. Its totient is φ = 274575492.

The previous prime is 274575467. The next prime is 274575533. The reversal of 274575493 is 394575472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190633249 + 83942244 = 13807^2 + 9162^2 .

It is a cyclic number.

It is not a de Polignac number, because 274575493 - 25 = 274575461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274575193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137287746 + 137287747.

It is an arithmetic number, because the mean of its divisors is an integer number (137287747).

Almost surely, 2274575493 is an apocalyptic number.

It is an amenable number.

274575493 is a deficient number, since it is larger than the sum of its proper divisors (1).

274575493 is an equidigital number, since it uses as much as digits as its factorization.

274575493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The square root of 274575493 is about 16570.3196408518. The cubic root of 274575493 is about 649.9609388756.

The spelling of 274575493 in words is "two hundred seventy-four million, five hundred seventy-five thousand, four hundred ninety-three".