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133266031 = 4111292879
BaseRepresentation
bin1111111000101…
…11101001101111
3100021202121121221
413330113221233
5233104003111
621120204211
73205512463
oct774275157
9307677557
10133266031
1169252818
1238769667
13217c0252
14139b04a3
15ba76371
hex7f17a6f

133266031 has 8 divisors (see below), whose sum is σ = 136684800. Its totient is φ = 129855360.

The previous prime is 133266017. The next prime is 133266061. The reversal of 133266031 is 130662331.

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 133266031 - 217 = 133134959 is a prime.

It is a super-2 number, since 2×1332660312 = 35519670036985922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133265987 and 133266005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133266061) 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, 44850 + ... + 47728.

It is an arithmetic number, because the mean of its divisors is an integer number (17085600).

Almost surely, 2133266031 is an apocalyptic number.

133266031 is a deficient number, since it is larger than the sum of its proper divisors (3418769).

133266031 is a wasteful number, since it uses less digits than its factorization.

133266031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 133266031 is about 11544.0907394216. The cubic root of 133266031 is about 510.7869831074.

The spelling of 133266031 in words is "one hundred thirty-three million, two hundred sixty-six thousand, thirty-one".

Divisors: 1 41 1129 2879 46289 118039 3250391 133266031