Search a number
-
+
133813038 = 23197113209
BaseRepresentation
bin1111111100111…
…01001100101110
3100022210101222110
413332131030232
5233224004123
621140024450
73213251322
oct776351456
9308711873
10133813038
1169596797
1238992126
1321952218
1413ab3982
15bb33493
hex7f9d32e

133813038 has 16 divisors (see below), whose sum is σ = 268986960. Its totient is φ = 44377536.

The previous prime is 133812997. The next prime is 133813063. The reversal of 133813038 is 830318331.

133813038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 133812996 and 133813014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55423 + ... + 57786.

It is an arithmetic number, because the mean of its divisors is an integer number (16811685).

Almost surely, 2133813038 is an apocalyptic number.

133813038 is an abundant number, since it is smaller than the sum of its proper divisors (135173922).

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

133813038 is a wasteful number, since it uses less digits than its factorization.

133813038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113411.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 133813038 is about 11567.7585555716. The cubic root of 133813038 is about 511.4848919934.

The spelling of 133813038 in words is "one hundred thirty-three million, eight hundred thirteen thousand, thirty-eight".

Divisors: 1 2 3 6 197 394 591 1182 113209 226418 339627 679254 22302173 44604346 66906519 133813038