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133670071 = 1072395227
BaseRepresentation
bin1111111011110…
…10010010110111
3100022112010212101
413331322102313
5233204420241
621133002531
73212114443
oct775722267
9308463771
10133670071
11694a9337
1238923447
1321902122
1413a77823
15bb05e31
hex7f7a4b7

133670071 has 8 divisors (see below), whose sum is σ = 135509760. Its totient is φ = 131841528.

The previous prime is 133670059. The next prime is 133670083. The reversal of 133670071 is 170076331.

It is an interprime number because it is at equal distance from previous prime (133670059) and next prime (133670083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133670071 - 223 = 125281463 is a prime.

It is a super-2 number, since 2×1336700712 = 35735375762290082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133670041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22960 + ... + 28186.

It is an arithmetic number, because the mean of its divisors is an integer number (16938720).

Almost surely, 2133670071 is an apocalyptic number.

133670071 is a deficient number, since it is larger than the sum of its proper divisors (1839689).

133670071 is a wasteful number, since it uses less digits than its factorization.

133670071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 133670071 is about 11561.5773577830. The cubic root of 133670071 is about 511.3026687967.

The spelling of 133670071 in words is "one hundred thirty-three million, six hundred seventy thousand, seventy-one".

Divisors: 1 107 239 5227 25573 559289 1249253 133670071