Base | Representation |
---|---|
bin | 10001110111001… |
… | …11011111000100 |
3 | 101102221222000020 |
4 | 20323213133010 |
5 | 301330032311 |
6 | 22511415140 |
7 | 3466445451 |
oct | 1073473704 |
9 | 342858006 |
10 | 149845956 |
11 | 77647537 |
12 | 422244b0 |
13 | 25076a60 |
14 | 15c88828 |
15 | d24dc06 |
hex | 8ee77c4 |
149845956 has 48 divisors (see below), whose sum is σ = 398692224. Its totient is φ = 43393536.
The previous prime is 149845931. The next prime is 149845957. The reversal of 149845956 is 659548941.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 149845899 and 149845908.
It is not an unprimeable number, because it can be changed into a prime (149845957) 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, 25600 + ... + 30903.
It is an arithmetic number, because the mean of its divisors is an integer number (8306088).
Almost surely, 2149845956 is an apocalyptic number.
It is an amenable number.
149845956 is an abundant number, since it is smaller than the sum of its proper divisors (248846268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149845956 is a wasteful number, since it uses less digits than its factorization.
149845956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56540 (or 56538 counting only the distinct ones).
The product of its digits is 1555200, while the sum is 51.
The square root of 149845956 is about 12241.1582785290. The cubic root of 149845956 is about 531.1473376523.
The spelling of 149845956 in words is "one hundred forty-nine million, eight hundred forty-five thousand, nine hundred fifty-six".
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