Base | Representation |
---|---|
bin | 10001100010101… |
… | …01010001000100 |
3 | 101020212222201000 |
4 | 20301111101010 |
5 | 300132244032 |
6 | 22333533300 |
7 | 3434516301 |
oct | 1061252104 |
9 | 336788630 |
10 | 147149892 |
11 | 7607598a |
12 | 41344230 |
13 | 24641856 |
14 | 157860a8 |
15 | cdb9e7c |
hex | 8c55444 |
147149892 has 48 divisors (see below), whose sum is σ = 403945920. Its totient is φ = 46164096.
The previous prime is 147149833. The next prime is 147149897. The reversal of 147149892 is 298941741.
It is a happy number.
147149892 is a `hidden beast` number, since 1 + 4 + 71 + 498 + 92 = 666.
It is a super-2 number, since 2×1471498922 = 43306181431223328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (147149897) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38238 + ... + 41909.
It is an arithmetic number, because the mean of its divisors is an integer number (8415540).
Almost surely, 2147149892 is an apocalyptic number.
147149892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
147149892 is an abundant number, since it is smaller than the sum of its proper divisors (256796028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147149892 is a wasteful number, since it uses less digits than its factorization.
147149892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80177 (or 80169 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 147149892 is about 12130.5355199183. The cubic root of 147149892 is about 527.9425299019.
The spelling of 147149892 in words is "one hundred forty-seven million, one hundred forty-nine thousand, eight hundred ninety-two".
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