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133042365 = 335985499
BaseRepresentation
bin1111110111000…
…01000010111101
3100021100020211000
413323201002331
5233024323430
621111320513
73203561421
oct773410275
9307306730
10133042365
116910a775
1238680139
13217424c1
1413952b81
15ba2ee60
hex7ee10bd

133042365 has 16 divisors (see below), whose sum is σ = 236520000. Its totient is φ = 70955856.

The previous prime is 133042361. The next prime is 133042367. The reversal of 133042365 is 563240331.

It is a happy number.

It is not a de Polignac number, because 133042365 - 22 = 133042361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133042361) 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, 492615 + ... + 492884.

It is an arithmetic number, because the mean of its divisors is an integer number (14782500).

Almost surely, 2133042365 is an apocalyptic number.

133042365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133042365 is a deficient number, since it is larger than the sum of its proper divisors (103477635).

133042365 is an equidigital number, since it uses as much as digits as its factorization.

133042365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985513 (or 985507 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133042365 is about 11534.3992041198. The cubic root of 133042365 is about 510.5010646464.

Adding to 133042365 its reverse (563240331), we get a palindrome (696282696).

The spelling of 133042365 in words is "one hundred thirty-three million, forty-two thousand, three hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 135 985499 2956497 4927495 8869491 14782485 26608473 44347455 133042365