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141643105 = 529976849
BaseRepresentation
bin10000111000101…
…00110101100001
3100212112012210221
420130110311201
5242230034410
622015523041
73336642442
oct1034246541
9325465727
10141643105
1172a5461a
123b529481
13234641b6
1414b512c9
15c67d4da
hex8714d61

141643105 has 8 divisors (see below), whose sum is σ = 175833000. Its totient is φ = 109406976.

The previous prime is 141643097. The next prime is 141643153. The reversal of 141643105 is 501346141.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 141039376 = 777^2 + 11876^2 .

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 141643105 - 23 = 141643097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141643105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488280 + ... + 488569.

It is an arithmetic number, because the mean of its divisors is an integer number (21979125).

Almost surely, 2141643105 is an apocalyptic number.

It is an amenable number.

141643105 is a deficient number, since it is larger than the sum of its proper divisors (34189895).

141643105 is an equidigital number, since it uses as much as digits as its factorization.

141643105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976883.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 141643105 is about 11901.3908851025. The cubic root of 141643105 is about 521.2728985641.

Adding to 141643105 its reverse (501346141), we get a palindrome (642989246).

It can be divided in two parts, 1416 and 43105, that added together give a square (44521 = 2112).

The spelling of 141643105 in words is "one hundred forty-one million, six hundred forty-three thousand, one hundred five".

Divisors: 1 5 29 145 976849 4884245 28328621 141643105