Base | Representation |
---|---|
bin | 10111111010001… |
… | …100011000011000 |
3 | 1000221210120022220 |
4 | 113322030120120 |
5 | 1310142143112 |
6 | 103445344040 |
7 | 12640362141 |
oct | 2772143030 |
9 | 1027716286 |
10 | 401131032 |
11 | 196478755 |
12 | b2408020 |
13 | 65149353 |
14 | 3b3baac8 |
15 | 2533898c |
hex | 17e8c618 |
401131032 has 64 divisors (see below), whose sum is σ = 1028160000. Its totient is φ = 130376064.
The previous prime is 401131001. The next prime is 401131057. The reversal of 401131032 is 230131104.
It is a super-2 number, since 2×4011310322 = 321812209666770048, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156094 + ... + 158642.
It is an arithmetic number, because the mean of its divisors is an integer number (16065000).
Almost surely, 2401131032 is an apocalyptic number.
It is an amenable number.
401131032 is an abundant number, since it is smaller than the sum of its proper divisors (627028968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401131032 is a wasteful number, since it uses less digits than its factorization.
401131032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2720 (or 2716 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 401131032 is about 20028.2558401874. The cubic root of 401131032 is about 737.5001057933.
Adding to 401131032 its product of nonzero digits (72), we get a palindrome (401131104).
Adding to 401131032 its reverse (230131104), we get a palindrome (631262136).
The spelling of 401131032 in words is "four hundred one million, one hundred thirty-one thousand, thirty-two".
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