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1374909156 = 223273523177
BaseRepresentation
bin101000111110011…
…0111001011100100
310112211010121210100
41101330313023210
510303434043111
6344233024100
746033351335
oct12174671344
93484117710
101374909156
11646111665
12324555030
1318bb0511a
14d086028c
1580a8a756
hex51f372e4

1374909156 has 36 divisors (see below), whose sum is σ = 3523080652. Its totient is φ = 452024064.

The previous prime is 1374909149. The next prime is 1374909191. The reversal of 1374909156 is 6519094731.

1374909156 is a `hidden beast` number, since 1 + 3 + 7 + 490 + 9 + 156 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 376981056 + 997928100 = 19416^2 + 31590^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258961 + ... + 264216.

Almost surely, 21374909156 is an apocalyptic number.

It is an amenable number.

1374909156 is an abundant number, since it is smaller than the sum of its proper divisors (2148171496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374909156 is a wasteful number, since it uses less digits than its factorization.

1374909156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523260 (or 523255 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1374909156 is about 37079.7674749991. The cubic root of 1374909156 is about 1111.9655556244.

The spelling of 1374909156 in words is "one billion, three hundred seventy-four million, nine hundred nine thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 523177 1046354 1569531 2092708 3139062 4708593 6278124 9417186 18834372 38191921 76383842 114575763 152767684 229151526 343727289 458303052 687454578 1374909156