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133790008 = 23111520341
BaseRepresentation
bin1111111100101…
…11100100111000
3100022202020101111
413332113210320
5233222240013
621135330104
73213124222
oct776274470
9308666344
10133790008
1169580460
1238980934
13219448b1
1413aa9412
15bb2b73d
hex7f97938

133790008 has 16 divisors (see below), whose sum is σ = 273661560. Its totient is φ = 60813600.

The previous prime is 133790003. The next prime is 133790029. The reversal of 133790008 is 800097331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133790003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 760083 + ... + 760258.

Almost surely, 2133790008 is an apocalyptic number.

It is an amenable number.

133790008 is an abundant number, since it is smaller than the sum of its proper divisors (139871552).

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

133790008 is a wasteful number, since it uses less digits than its factorization.

133790008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520358 (or 1520354 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 133790008 is about 11566.7630735656. The cubic root of 133790008 is about 511.4555471377.

The spelling of 133790008 in words is "one hundred thirty-three million, seven hundred ninety thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 1520341 3040682 6081364 12162728 16723751 33447502 66895004 133790008