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274505013 = 3279386083
BaseRepresentation
bin10000010111001…
…001110100110101
3201010112022002100
4100113021310311
51030233130023
643123332313
76542153106
oct2027116465
9633468070
10274505013
11130a50752
1277b21099
1344b42503
14286583ad
1519174c43
hex105c9d35

274505013 has 12 divisors (see below), whose sum is σ = 401527360. Its totient is φ = 180686376.

The previous prime is 274504999. The next prime is 274505017. The reversal of 274505013 is 310505472.

It is a happy number.

It is not a de Polignac number, because 274505013 - 26 = 274504949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274505017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192331 + ... + 193752.

Almost surely, 2274505013 is an apocalyptic number.

It is an amenable number.

274505013 is a deficient number, since it is larger than the sum of its proper divisors (127022347).

274505013 is a wasteful number, since it uses less digits than its factorization.

274505013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386168 (or 386165 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 274505013 is about 16568.1928103218. The cubic root of 274505013 is about 649.9053219102.

The spelling of 274505013 in words is "two hundred seventy-four million, five hundred five thousand, thirteen".

Divisors: 1 3 9 79 237 711 386083 1158249 3474747 30500557 91501671 274505013