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141914809 = 163870643
BaseRepresentation
bin10000111010101…
…11001010111001
3100220001000112001
420131113022321
5242312233214
622025421001
73342153541
oct1035271271
9326030461
10141914809
117311a773
123b63a761
132352aa7a
1414bc2321
15c6d3c74
hex87572b9

141914809 has 4 divisors (see below), whose sum is σ = 142785616. Its totient is φ = 141044004.

The previous prime is 141914803. The next prime is 141914813. The reversal of 141914809 is 908419141.

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.

It is a cyclic number.

It is not a de Polignac number, because 141914809 - 225 = 108360377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141914803) 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, 435159 + ... + 435484.

It is an arithmetic number, because the mean of its divisors is an integer number (35696404).

Almost surely, 2141914809 is an apocalyptic number.

It is an amenable number.

141914809 is a deficient number, since it is larger than the sum of its proper divisors (870807).

141914809 is an equidigital number, since it uses as much as digits as its factorization.

141914809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870806.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 141914809 is about 11912.8002165738. The cubic root of 141914809 is about 521.6059927098.

The spelling of 141914809 in words is "one hundred forty-one million, nine hundred fourteen thousand, eight hundred nine".

Divisors: 1 163 870643 141914809