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133430342 = 2424115731
BaseRepresentation
bin1111111001111…
…11110001000110
3100022001222000112
413330333301012
5233124232332
621123513022
73210065513
oct774776106
9308058015
10133430342
1169355211
1238828772
1321849c86
1413a1430a
15baa9db2
hex7f3fc46

133430342 has 8 divisors (see below), whose sum is σ = 200205432. Its totient is φ = 66695200.

The previous prime is 133430317. The next prime is 133430347. The reversal of 133430342 is 243034331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1334303423 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133430347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (25025679).

Almost surely, 2133430342 is an apocalyptic number.

133430342 is a deficient number, since it is larger than the sum of its proper divisors (66775090).

133430342 is a wasteful number, since it uses less digits than its factorization.

133430342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 133430342 is about 11551.2052185043. The cubic root of 133430342 is about 510.9968226538.

Adding to 133430342 its reverse (243034331), we get a palindrome (376464673).

The spelling of 133430342 in words is "one hundred thirty-three million, four hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 4241 8482 15731 31462 66715171 133430342