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133340207 = 71113314297
BaseRepresentation
bin1111111001010…
…01110000101111
3100021220101101012
413330221300233
5233113341312
621121535435
73206241650
oct774516057
9307811335
10133340207
11692a3520
12387a457b
1321817c40
14139cd527
15ba8d322
hex7f29c2f

133340207 has 32 divisors (see below), whose sum is σ = 184848384. Its totient is φ = 92793600.

The previous prime is 133340171. The next prime is 133340213. The reversal of 133340207 is 702043331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133340207 - 210 = 133339183 is a prime.

It is a super-2 number, since 2×1333402072 = 35559221605605698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340227) 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 31 ways as a sum of consecutive naturals, for example, 28883 + ... + 33179.

It is an arithmetic number, because the mean of its divisors is an integer number (5776512).

Almost surely, 2133340207 is an apocalyptic number.

133340207 is a deficient number, since it is larger than the sum of its proper divisors (51508177).

133340207 is a wasteful number, since it uses less digits than its factorization.

133340207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 133340207 is about 11547.3030184541. The cubic root of 133340207 is about 510.8817337042.

Adding to 133340207 its reverse (702043331), we get a palindrome (835383538).

The spelling of 133340207 in words is "one hundred thirty-three million, three hundred forty thousand, two hundred seven".

Divisors: 1 7 11 13 31 77 91 143 217 341 403 1001 2387 2821 4297 4433 30079 31031 47267 55861 133207 330869 391027 614471 932449 1465277 1731691 4301297 10256939 12121837 19048601 133340207