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133043142 = 2322173857
BaseRepresentation
bin1111110111000…
…01001111000110
3100021100021212210
413323201033012
5233024340032
621111324250
73203563611
oct773411706
9307307783
10133043142
1169110311
1238680686
132174296b
1413953178
15ba302cc
hex7ee13c6

133043142 has 8 divisors (see below), whose sum is σ = 266086296. Its totient is φ = 44347712.

The previous prime is 133043129. The next prime is 133043153. The reversal of 133043142 is 241340331.

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

133043142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11086923 + ... + 11086934.

It is an arithmetic number, because the mean of its divisors is an integer number (33260787).

Almost surely, 2133043142 is an apocalyptic number.

133043142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133043142 is a wasteful number, since it uses less digits than its factorization.

133043142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173862.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133043142 is about 11534.4328859290. The cubic root of 133043142 is about 510.5020584615.

Adding to 133043142 its reverse (241340331), we get a palindrome (374383473).

The spelling of 133043142 in words is "one hundred thirty-three million, forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 22173857 44347714 66521571 133043142