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149804841 = 3148733581
BaseRepresentation
bin10001110110111…
…01011100101001
3101102212212121110
420323131130221
5301322223331
622510500533
73466214544
oct1073353451
9342785543
10149804841
117761965a
1242204749
1325061124
1415c7785b
15d241946
hex8edd729

149804841 has 8 divisors (see below), whose sum is σ = 199880064. Its totient is φ = 99799760.

The previous prime is 149804813. The next prime is 149804849. The reversal of 149804841 is 148408941.

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 149804841 - 218 = 149542697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149804841.

It is not an unprimeable number, because it can be changed into a prime (149804849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12330 + ... + 21251.

It is an arithmetic number, because the mean of its divisors is an integer number (24985008).

Almost surely, 2149804841 is an apocalyptic number.

It is an amenable number.

149804841 is a deficient number, since it is larger than the sum of its proper divisors (50075223).

149804841 is a wasteful number, since it uses less digits than its factorization.

149804841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35071.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 149804841 is about 12239.4787879223. The cubic root of 149804841 is about 531.0987541581.

The spelling of 149804841 in words is "one hundred forty-nine million, eight hundred four thousand, eight hundred forty-one".

Divisors: 1 3 1487 4461 33581 100743 49934947 149804841