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133442214 = 23178591523
BaseRepresentation
bin1111111010000…
…10101010100110
3100022002120022020
413331002222212
5233130122324
621124044010
73210145233
oct775025246
9308076266
10133442214
1169363124
1238833606
13218524b9
1413a1878a
15baad679
hex7f42aa6

133442214 has 32 divisors (see below), whose sum is σ = 283098240. Its totient is φ = 41788032.

The previous prime is 133442209. The next prime is 133442219. The reversal of 133442214 is 412244331.

It is an interprime number because it is at equal distance from previous prime (133442209) and next prime (133442219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133442219) 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, 86857 + ... + 88379.

It is an arithmetic number, because the mean of its divisors is an integer number (8846820).

Almost surely, 2133442214 is an apocalyptic number.

133442214 is an abundant number, since it is smaller than the sum of its proper divisors (149656026).

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

133442214 is a wasteful number, since it uses less digits than its factorization.

133442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 2304, while the sum is 24.

The square root of 133442214 is about 11551.7190928450. The cubic root of 133442214 is about 511.0119775635.

Adding to 133442214 its reverse (412244331), we get a palindrome (545686545).

The spelling of 133442214 in words is "one hundred thirty-three million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 859 1523 1718 2577 3046 4569 5154 9138 14603 25891 29206 43809 51782 77673 87618 155346 1308257 2616514 3924771 7849542 22240369 44480738 66721107 133442214