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141048561 = 347016187
BaseRepresentation
bin10000110100000…
…11101011110001
3100211102000020210
420122003223301
5242102023221
621555054333
73331615203
oct1032035361
9324360223
10141048561
1172688965
123b2a13a9
13232b66b4
1414a38773
15c5b2276
hex8683af1

141048561 has 4 divisors (see below), whose sum is σ = 188064752. Its totient is φ = 94032372.

The previous prime is 141048517. The next prime is 141048631. The reversal of 141048561 is 165840141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165840141 = 355280047.

It is not a de Polignac number, because 141048561 - 27 = 141048433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141048511) 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 3 ways as a sum of consecutive naturals, for example, 23508091 + ... + 23508096.

It is an arithmetic number, because the mean of its divisors is an integer number (47016188).

Almost surely, 2141048561 is an apocalyptic number.

It is an amenable number.

141048561 is a deficient number, since it is larger than the sum of its proper divisors (47016191).

141048561 is an equidigital number, since it uses as much as digits as its factorization.

141048561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47016190.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 141048561 is about 11876.3866979818. The cubic root of 141048561 is about 520.5425316432.

The spelling of 141048561 in words is "one hundred forty-one million, forty-eight thousand, five hundred sixty-one".

Divisors: 1 3 47016187 141048561