Base | Representation |
---|---|
bin | 10111111101001… |
… | …110011100101010 |
3 | 1001000021221201120 |
4 | 113331032130222 |
5 | 1310343112210 |
6 | 103514400110 |
7 | 12650212500 |
oct | 2775163452 |
9 | 1030257646 |
10 | 401925930 |
11 | 19697099a |
12 | b2730036 |
13 | 653670c3 |
14 | 3b546670 |
15 | 25444270 |
hex | 17f4e72a |
401925930 has 96 divisors (see below), whose sum is σ = 1136643840. Its totient is φ = 90679680.
The previous prime is 401925913. The next prime is 401925941. The reversal of 401925930 is 39529104.
It is a junction number, because it is equal to n+sod(n) for n = 401925891 and 401925900.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114400 + ... + 117860.
It is an arithmetic number, because the mean of its divisors is an integer number (11840040).
Almost surely, 2401925930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 401925930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568321920).
401925930 is an abundant number, since it is smaller than the sum of its proper divisors (734717910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401925930 is a wasteful number, since it uses less digits than its factorization.
401925930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3564 (or 3557 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 401925930 is about 20048.0904327569. The cubic root of 401925930 is about 737.9869380257.
The spelling of 401925930 in words is "four hundred one million, nine hundred twenty-five thousand, nine hundred thirty".
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