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141478469 = 1118171059
BaseRepresentation
bin10000110111011…
…00101001000101
3100212012211222022
420123230221011
5242204302334
622012212525
73335355446
oct1033545105
9325184868
10141478469
1172951960
123b46a145
1323407292
1414b0b2cd
15c64982e
hex86eca45

141478469 has 8 divisors (see below), whose sum is σ = 155195040. Its totient is φ = 127904400.

The previous prime is 141478439. The next prime is 141478487. The reversal of 141478469 is 964874141.

It is a happy number.

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 141478469 - 212 = 141474373 is a prime.

It is a super-2 number, since 2×1414784692 = 40032314381167922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141478429) 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, 33539 + ... + 37520.

It is an arithmetic number, because the mean of its divisors is an integer number (19399380).

Almost surely, 2141478469 is an apocalyptic number.

It is an amenable number.

141478469 is a deficient number, since it is larger than the sum of its proper divisors (13716571).

141478469 is a wasteful number, since it uses less digits than its factorization.

141478469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71251.

The product of its digits is 193536, while the sum is 44.

The square root of 141478469 is about 11894.4722035070. The cubic root of 141478469 is about 521.0708565917.

The spelling of 141478469 in words is "one hundred forty-one million, four hundred seventy-eight thousand, four hundred sixty-nine".

Divisors: 1 11 181 1991 71059 781649 12861679 141478469