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133474089 = 3721753411
BaseRepresentation
bin1111111010010…
…10011100101001
3100022011012000210
413331022130221
5233132132324
621124451333
73210340200
oct775123451
9308135023
10133474089
1169385071
1238849b49
1321863b68
1413a26237
15bab7d29
hex7f4a729

133474089 has 24 divisors (see below), whose sum is σ = 219202848. Its totient is φ = 71783040.

The previous prime is 133474067. The next prime is 133474109. The reversal of 133474089 is 980474331.

It is not a de Polignac number, because 133474089 - 25 = 133474057 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133474489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24207 + ... + 29204.

It is an arithmetic number, because the mean of its divisors is an integer number (9133452).

Almost surely, 2133474089 is an apocalyptic number.

It is an amenable number.

133474089 is a deficient number, since it is larger than the sum of its proper divisors (85728759).

133474089 is a wasteful number, since it uses less digits than its factorization.

133474089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53445 (or 53438 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 133474089 is about 11553.0986752473. The cubic root of 133474089 is about 511.0526623651.

The spelling of 133474089 in words is "one hundred thirty-three million, four hundred seventy-four thousand, eighty-nine".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 53411 160233 373877 907987 1121631 2617139 2723961 6355909 7851417 19067727 44491363 133474089