Base | Representation |
---|---|
bin | 1100101010111101… |
… | …0100000001100100 |
3 | 22210001100001012100 |
4 | 3022233110001210 |
5 | 23431224303140 |
6 | 1321303452100 |
7 | 150201266205 |
oct | 31257240144 |
9 | 8701301170 |
10 | 3401400420 |
11 | 1496002530 |
12 | 7ab157030 |
13 | 4228c6392 |
14 | 243a535ac |
15 | 14d932530 |
hex | cabd4064 |
3401400420 has 144 divisors (see below), whose sum is σ = 11273213952. Its totient is φ = 823288320.
The previous prime is 3401400419. The next prime is 3401400421. The reversal of 3401400420 is 240041043.
It is an interprime number because it is at equal distance from previous prime (3401400419) and next prime (3401400421).
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 = 3401400393 and 3401400402.
It is not an unprimeable number, because it can be changed into a prime (3401400421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2044509 + ... + 2046171.
It is an arithmetic number, because the mean of its divisors is an integer number (78286208).
Almost surely, 23401400420 is an apocalyptic number.
3401400420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3401400420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5636606976).
3401400420 is an abundant number, since it is smaller than the sum of its proper divisors (7871813532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3401400420 is a wasteful number, since it uses less digits than its factorization.
3401400420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2722 (or 2717 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 3401400420 is about 58321.5262145976. The cubic root of 3401400420 is about 1503.9010192377.
Adding to 3401400420 its reverse (240041043), we get a palindrome (3641441463).
The spelling of 3401400420 in words is "three billion, four hundred one million, four hundred thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •