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146949071 = 1722937747
BaseRepresentation
bin10001100001001…
…00001111001111
3101020111210020012
420300210033033
5300104332241
622325343435
73433021643
oct1060441717
9336453205
10146949071
1175a49015
1241267b7b
13245a1319
1415732c23
15cd7a6eb
hex8c243cf

146949071 has 8 divisors (see below), whose sum is σ = 156276720. Its totient is φ = 137697408.

The previous prime is 146949067. The next prime is 146949079. The reversal of 146949071 is 170949641.

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

It is a cyclic number.

It is not a de Polignac number, because 146949071 - 22 = 146949067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146949079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14981 + ... + 22766.

It is an arithmetic number, because the mean of its divisors is an integer number (19534590).

Almost surely, 2146949071 is an apocalyptic number.

146949071 is a deficient number, since it is larger than the sum of its proper divisors (9327649).

146949071 is a wasteful number, since it uses less digits than its factorization.

146949071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37993.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 146949071 is about 12122.2551944760. The cubic root of 146949071 is about 527.7022528786.

The spelling of 146949071 in words is "one hundred forty-six million, nine hundred forty-nine thousand, seventy-one".

Divisors: 1 17 229 3893 37747 641699 8644063 146949071