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133302642 = 23117128447
BaseRepresentation
bin1111111001000…
…00100101110010
3100021211110211220
413330200211302
5233111141032
621121045510
73206024304
oct774404562
9307743756
10133302642
1169278280
1238786896
1321803b05
14139bd974
15ba8212c
hex7f20972

133302642 has 32 divisors (see below), whose sum is σ = 294948864. Its totient is φ = 39824400.

The previous prime is 133302619. The next prime is 133302677. The reversal of 133302642 is 246203331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9538 + ... + 18909.

It is an arithmetic number, because the mean of its divisors is an integer number (9217152).

Almost surely, 2133302642 is an apocalyptic number.

133302642 is an abundant number, since it is smaller than the sum of its proper divisors (161646222).

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

133302642 is a wasteful number, since it uses less digits than its factorization.

133302642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28534.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 133302642 is about 11545.6763335891. The cubic root of 133302642 is about 510.8337534906.

Adding to 133302642 its reverse (246203331), we get a palindrome (379505973).

The spelling of 133302642 in words is "one hundred thirty-three million, three hundred two thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1562 2343 4686 28447 56894 85341 170682 312917 625834 938751 1877502 2019737 4039474 6059211 12118422 22217107 44434214 66651321 133302642