Base | Representation |
---|---|
bin | 10101100011111… |
… | …011001011011100 |
3 | 221012200020120201 |
4 | 111203323023130 |
5 | 1220101121342 |
6 | 55521153244 |
7 | 11651505400 |
oct | 2543731334 |
9 | 835606521 |
10 | 361738972 |
11 | 176212931 |
12 | a118b824 |
13 | 59c3643a |
14 | 36085100 |
15 | 21b56db7 |
hex | 158fb2dc |
361738972 has 36 divisors (see below), whose sum is σ = 739027800. Its totient is φ = 154477344.
The previous prime is 361738961. The next prime is 361738981. The reversal of 361738972 is 279837163.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54279 + ... + 60577.
It is an arithmetic number, because the mean of its divisors is an integer number (20528550).
Almost surely, 2361738972 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 361738972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369513900).
361738972 is an abundant number, since it is smaller than the sum of its proper divisors (377288828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
361738972 is a wasteful number, since it uses less digits than its factorization.
361738972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6610 (or 6601 counting only the distinct ones).
The product of its digits is 381024, while the sum is 46.
The square root of 361738972 is about 19019.4366898707. The cubic root of 361738972 is about 712.5222544398.
The spelling of 361738972 in words is "three hundred sixty-one million, seven hundred thirty-eight thousand, nine hundred seventy-two".
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