Base | Representation |
---|---|
bin | 101001110110001… |
… | …0011001101010000 |
3 | 10121212002210012011 |
4 | 1103230103031100 |
5 | 10333423400221 |
6 | 351155112304 |
7 | 46536560650 |
oct | 12354231520 |
9 | 3555083164 |
10 | 1404121936 |
11 | 660654658 |
12 | 3322a2694 |
13 | 194b929a9 |
14 | d46a6360 |
15 | 8340b1e1 |
hex | 53b13350 |
1404121936 has 80 divisors (see below), whose sum is σ = 3398353920. Its totient is φ = 548075520.
The previous prime is 1404121903. The next prime is 1404121937. The reversal of 1404121936 is 6391214041.
It is a super-2 number, since 2×14041219362 = 3943116822312776192, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a junction number, because it is equal to n+sod(n) for n = 1404121898 and 1404121907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1404121937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47130 + ... + 70918.
It is an arithmetic number, because the mean of its divisors is an integer number (42479424).
Almost surely, 21404121936 is an apocalyptic number.
1404121936 is a gapful number since it is divisible by the number (16) 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 1404121936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699176960).
1404121936 is an abundant number, since it is smaller than the sum of its proper divisors (1994231984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1404121936 is a wasteful number, since it uses less digits than its factorization.
1404121936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23852 (or 23846 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 1404121936 is about 37471.6150706104. The cubic root of 1404121936 is about 1119.7857625940.
Adding to 1404121936 its reverse (6391214041), we get a palindrome (7795335977).
The spelling of 1404121936 in words is "one billion, four hundred four million, one hundred twenty-one thousand, nine hundred thirty-six".
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