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141305473 = 532666141
BaseRepresentation
bin10000110110000…
…10011010000001
3100211220001200001
420123002122001
5242133233343
622004400001
73334035211
oct1033023201
9324801601
10141305473
1172843991
123b3a6001
132337660a
1414aa4241
15c61344d
hex86c2681

141305473 has 4 divisors (see below), whose sum is σ = 143971668. Its totient is φ = 138639280.

The previous prime is 141305459. The next prime is 141305497. The reversal of 141305473 is 374503141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374503141 = 537066097.

It can be written as a sum of positive squares in 2 ways, for example, as 70946929 + 70358544 = 8423^2 + 8388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141305473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141305273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333018 + ... + 1333123.

It is an arithmetic number, because the mean of its divisors is an integer number (35992917).

Almost surely, 2141305473 is an apocalyptic number.

It is an amenable number.

141305473 is a deficient number, since it is larger than the sum of its proper divisors (2666195).

141305473 is an equidigital number, since it uses as much as digits as its factorization.

141305473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666194.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 141305473 is about 11887.1978615652. The cubic root of 141305473 is about 520.8583862395.

It can be divided in two parts, 141305 and 473, that added together give a triangular number (141778 = T532).

The spelling of 141305473 in words is "one hundred forty-one million, three hundred five thousand, four hundred seventy-three".

Divisors: 1 53 2666141 141305473