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141809814 = 2327878323
BaseRepresentation
bin10000111001111…
…01100010010110
3100212211200111100
420130331202112
5242300403224
622023250530
73341235456
oct1034754226
9325750440
10141809814
11730588a3
123b5a9a46
13234c2043
1414b95d66
15c6b2ac9
hex873d896

141809814 has 12 divisors (see below), whose sum is σ = 307254636. Its totient is φ = 47269932.

The previous prime is 141809813. The next prime is 141809827. The reversal of 141809814 is 418908141.

141809814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1418098142 = 40220046693429192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141809813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3939144 + ... + 3939179.

It is an arithmetic number, because the mean of its divisors is an integer number (25604553).

Almost surely, 2141809814 is an apocalyptic number.

141809814 is an abundant number, since it is smaller than the sum of its proper divisors (165444822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141809814 is a wasteful number, since it uses less digits than its factorization.

141809814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878331 (or 7878328 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 141809814 is about 11908.3925867432. The cubic root of 141809814 is about 521.4773250646.

The spelling of 141809814 in words is "one hundred forty-one million, eight hundred nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 7878323 15756646 23634969 47269938 70904907 141809814