Search a number
-
+
274060421 is a prime number
BaseRepresentation
bin10000010101011…
…101010010000101
3201002200201012222
4100111131102011
51030124413141
643110022125
76535321655
oct2025352205
9632621188
10274060421
11130777718
1277947945
1344a1803b
1428580365
15190d814b
hex1055d485

274060421 has 2 divisors, whose sum is σ = 274060422. Its totient is φ = 274060420.

The previous prime is 274060399. The next prime is 274060447. The reversal of 274060421 is 124060472.

It is an a-pointer prime, because the next prime (274060447) can be obtained adding 274060421 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262764100 + 11296321 = 16210^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 274060421 - 214 = 274044037 is a prime.

It is a super-2 number, since 2×2740604212 = 150218228717394482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274062421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137030210 + 137030211.

It is an arithmetic number, because the mean of its divisors is an integer number (137030211).

Almost surely, 2274060421 is an apocalyptic number.

It is an amenable number.

274060421 is a deficient number, since it is larger than the sum of its proper divisors (1).

274060421 is an equidigital number, since it uses as much as digits as its factorization.

274060421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 274060421 is about 16554.7703396936. The cubic root of 274060421 is about 649.5542671929.

The spelling of 274060421 in words is "two hundred seventy-four million, sixty thousand, four hundred twenty-one".