| Base | Representation |
|---|---|
| bin | 10111111001110… |
| … | …100010110101100 |
| 3 | 1000221121120100000 |
| 4 | 113321310112230 |
| 5 | 1310131020440 |
| 6 | 103443304300 |
| 7 | 12636502212 |
| oct | 2771642654 |
| 9 | 1027546300 |
| 10 | 401032620 |
| 11 | 19641081a |
| 12 | b237b090 |
| 13 | 65113611 |
| 14 | 3b392cb2 |
| 15 | 25319730 |
| hex | 17e745ac |
401032620 has 288 divisors, whose sum is σ = 1372250880. Its totient is φ = 97977600.
The previous prime is 401032613. The next prime is 401032627. The reversal of 401032620 is 26230104.
It is a happy number.
401032620 is a `hidden beast` number, since 4 + 0 + 10 + 32 + 620 = 666.
It is an interprime number because it is at equal distance from previous prime (401032613) and next prime (401032627).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 401032593 and 401032602.
It is not an unprimeable number, because it can be changed into a prime (401032627) by changing a digit.
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 95 ways as a sum of consecutive naturals, for example, 3970570 + ... + 3970670.
It is an arithmetic number, because the mean of its divisors is an integer number (4764760).
Almost surely, 2401032620 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 401032620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686125440).
401032620 is an abundant number, since it is smaller than the sum of its proper divisors (971218260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401032620 is a wasteful number, since it uses less digits than its factorization.
401032620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187 (or 173 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 401032620 is about 20025.7988604700. The cubic root of 401032620 is about 737.4397890133.
Adding to 401032620 its reverse (26230104), we get a palindrome (427262724).
The spelling of 401032620 in words is "four hundred one million, thirty-two thousand, six hundred twenty".
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