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133465242 = 23473171493
BaseRepresentation
bin1111111010010…
…00010010011010
3100022010201220010
413331020102122
5233131341432
621124342350
73210302331
oct775102232
9308121803
10133465242
1169379459
12388449b6
132185cb21
1413a22d18
15bab53cc
hex7f4849a

133465242 has 32 divisors (see below), whose sum is σ = 273652992. Its totient is φ = 43375424.

The previous prime is 133465223. The next prime is 133465247. The reversal of 133465242 is 242564331.

133465242 is nontrivially palindromic in base 9.

It is not an unprimeable number, because it can be changed into a prime (133465247) 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, 88648 + ... + 90140.

It is an arithmetic number, because the mean of its divisors is an integer number (8551656).

Almost surely, 2133465242 is an apocalyptic number.

133465242 is an abundant number, since it is smaller than the sum of its proper divisors (140187750).

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

133465242 is a wasteful number, since it uses less digits than its factorization.

133465242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its digits is 17280, while the sum is 30.

The square root of 133465242 is about 11552.7157846110. The cubic root of 133465242 is about 511.0413708282.

The spelling of 133465242 in words is "one hundred thirty-three million, four hundred sixty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 317 634 951 1493 1902 2986 4479 8958 14899 29798 44697 70171 89394 140342 210513 421026 473281 946562 1419843 2839686 22244207 44488414 66732621 133465242