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141172389 = 344142509
BaseRepresentation
bin10000110101000…
…01111010100101
3100211122022010000
420122201322211
5242120004024
622001451513
73332642211
oct1032417245
9324568100
10141172389
11727629a6
123b340b99
132332ab77
1414a6b941
15c5d8cc9
hex86a1ea5

141172389 has 20 divisors (see below), whose sum is σ = 216035820. Its totient is φ = 91817280.

The previous prime is 141172363. The next prime is 141172393. The reversal of 141172389 is 983271141.

It is a happy number.

141172389 is a `hidden beast` number, since 1 + 411 + 7 + 238 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71115489 + 70056900 = 8433^2 + 8370^2 .

It is not a de Polignac number, because 141172389 - 28 = 141172133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141172399) 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 19 ways as a sum of consecutive naturals, for example, 17934 + ... + 24575.

It is an arithmetic number, because the mean of its divisors is an integer number (10801791).

Almost surely, 2141172389 is an apocalyptic number.

It is an amenable number.

141172389 is a deficient number, since it is larger than the sum of its proper divisors (74863431).

141172389 is an equidigital number, since it uses as much as digits as its factorization.

141172389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42562 (or 42553 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 141172389 is about 11881.5987560597. The cubic root of 141172389 is about 520.6948169901.

The spelling of 141172389 in words is "one hundred forty-one million, one hundred seventy-two thousand, three hundred eighty-nine".

Divisors: 1 3 9 27 41 81 123 369 1107 3321 42509 127527 382581 1147743 1742869 3443229 5228607 15685821 47057463 141172389