Search a number
-
+
141910785 = 36538933
BaseRepresentation
bin10000111010101…
…10001100000001
3100220000211000000
420131112030001
5242312121120
622025350213
73342136032
oct1035261401
9326024000
10141910785
1173117745
123b638369
1323528ca3
1414bc0a89
15c6d2990
hex8756301

141910785 has 28 divisors (see below), whose sum is σ = 255329172. Its totient is φ = 75683808.

The previous prime is 141910763. The next prime is 141910787. The reversal of 141910785 is 587019141.

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 126157824 = 3969^2 + 11232^2 .

It is not a de Polignac number, because 141910785 - 29 = 141910273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141910787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 15822 + ... + 23111.

It is an arithmetic number, because the mean of its divisors is an integer number (9118899).

Almost surely, 2141910785 is an apocalyptic number.

141910785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141910785 is a deficient number, since it is larger than the sum of its proper divisors (113418387).

141910785 is an frugal number, since it uses more digits than its factorization.

141910785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38956 (or 38941 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 141910785 is about 11912.6313214168. The cubic root of 141910785 is about 521.6010626104.

The spelling of 141910785 in words is "one hundred forty-one million, nine hundred ten thousand, seven hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 3645 38933 116799 194665 350397 583995 1051191 1751985 3153573 5255955 9460719 15767865 28382157 47303595 141910785