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133450161 = 3133421799
BaseRepresentation
bin1111111010001…
…00100110110001
3100022002222012120
413331010212301
5233130401121
621124144453
73210210345
oct775044661
9308088176
10133450161
1169369099
1238838129
1321855cc0
1413a1b625
15bab0bc6
hex7f449b1

133450161 has 8 divisors (see below), whose sum is σ = 191620800. Its totient is φ = 82123152.

The previous prime is 133450151. The next prime is 133450169. The reversal of 133450161 is 161054331.

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

It is not a de Polignac number, because 133450161 - 29 = 133449649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133450169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710861 + ... + 1710938.

It is an arithmetic number, because the mean of its divisors is an integer number (23952600).

Almost surely, 2133450161 is an apocalyptic number.

It is an amenable number.

133450161 is a deficient number, since it is larger than the sum of its proper divisors (58170639).

133450161 is a wasteful number, since it uses less digits than its factorization.

133450161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421815.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 133450161 is about 11552.0630625010. The cubic root of 133450161 is about 511.0221216087.

The spelling of 133450161 in words is "one hundred thirty-three million, four hundred fifty thousand, one hundred sixty-one".

Divisors: 1 3 13 39 3421799 10265397 44483387 133450161