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141071728 = 2471259569
BaseRepresentation
bin10000110100010…
…01010101110000
3100211110012000211
420122021111300
5242103243403
621555353504
73332042560
oct1032112560
9324405024
10141071728
11726a4306
123b2b2894
13232c40c5
1414a42da0
15c5b906d
hex8689570

141071728 has 20 divisors (see below), whose sum is σ = 312373360. Its totient is φ = 60459264.

The previous prime is 141071717. The next prime is 141071737. The reversal of 141071728 is 827170141.

It is a self number, because there is not a number n which added to its sum of digits gives 141071728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629673 + ... + 629896.

It is an arithmetic number, because the mean of its divisors is an integer number (15618668).

Almost surely, 2141071728 is an apocalyptic number.

It is an amenable number.

141071728 is an abundant number, since it is smaller than the sum of its proper divisors (171301632).

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

141071728 is a wasteful number, since it uses less digits than its factorization.

141071728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259584 (or 1259578 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 141071728 is about 11877.3619966725. The cubic root of 141071728 is about 520.5710295085.

The spelling of 141071728 in words is "one hundred forty-one million, seventy-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1259569 2519138 5038276 8816983 10076552 17633966 20153104 35267932 70535864 141071728