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133300540 = 22510364709
BaseRepresentation
bin1111111001000…
…00000100111100
3100021211100222001
413330200010330
5233111104130
621121032044
73206015212
oct774400474
9307740861
10133300540
116927673a
1238785624
1321802b79
14139bccb2
15ba816ca
hex7f2013c

133300540 has 24 divisors (see below), whose sum is σ = 282653280. Its totient is φ = 52801728.

The previous prime is 133300537. The next prime is 133300547. The reversal of 133300540 is 45003331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30295 + ... + 34414.

It is an arithmetic number, because the mean of its divisors is an integer number (11777220).

Almost surely, 2133300540 is an apocalyptic number.

133300540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133300540 is an abundant number, since it is smaller than the sum of its proper divisors (149352740).

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

133300540 is a wasteful number, since it uses less digits than its factorization.

133300540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64821 (or 64819 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133300540 is about 11545.5853034829. The cubic root of 133300540 is about 510.8310684271.

Adding to 133300540 its reverse (45003331), we get a palindrome (178303871).

The spelling of 133300540 in words is "one hundred thirty-three million, three hundred thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 64709 129418 258836 323545 647090 1294180 6665027 13330054 26660108 33325135 66650270 133300540