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133789084 = 221113673491
BaseRepresentation
bin1111111100101…
…11010110011100
3100022202012010021
413332113112130
5233222222314
621135321524
73213121432
oct776272634
9308665107
10133789084
116957a7a0
12389802a4
1321944350
1413aa8d52
15bb2b324
hex7f9759c

133789084 has 48 divisors (see below), whose sum is σ = 279248256. Its totient is φ = 55281600.

The previous prime is 133789081. The next prime is 133789129. The reversal of 133789084 is 480987331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133789084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133789081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36579 + ... + 40069.

It is an arithmetic number, because the mean of its divisors is an integer number (5817672).

Almost surely, 2133789084 is an apocalyptic number.

It is an amenable number.

133789084 is an abundant number, since it is smaller than the sum of its proper divisors (145459172).

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

133789084 is a wasteful number, since it uses less digits than its factorization.

133789084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 133789084 is about 11566.7231314664. The cubic root of 133789084 is about 511.4543697054.

The spelling of 133789084 in words is "one hundred thirty-three million, seven hundred eighty-nine thousand, eighty-four".

Divisors: 1 2 4 11 13 22 26 44 52 67 134 143 268 286 572 737 871 1474 1742 2948 3484 3491 6982 9581 13964 19162 38324 38401 45383 76802 90766 153604 181532 233897 467794 499213 935588 998426 1996852 2572867 3040661 5145734 6081322 10291468 12162644 33447271 66894542 133789084