Base | Representation |
---|---|
bin | 101001110100110… |
… | …1000001111001010 |
3 | 10121210210012120100 |
4 | 1103221220033022 |
5 | 10333233443032 |
6 | 351132110230 |
7 | 46530613200 |
oct | 12351501712 |
9 | 3553705510 |
10 | 1403421642 |
11 | 6602164a7 |
12 | 332005376 |
13 | 1949a900c |
14 | d4563070 |
15 | 8331d97c |
hex | 53a683ca |
1403421642 has 144 divisors (see below), whose sum is σ = 3647996352. Its totient is φ = 388644480.
The previous prime is 1403421629. The next prime is 1403421683. The reversal of 1403421642 is 2461243041.
It is a happy number.
1403421642 is a `hidden beast` number, since 1 + 403 + 4 + 216 + 42 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4571253 + ... + 4571559.
It is an arithmetic number, because the mean of its divisors is an integer number (25333308).
Almost surely, 21403421642 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1403421642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823998176).
1403421642 is an abundant number, since it is smaller than the sum of its proper divisors (2244574710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1403421642 is a wasteful number, since it uses less digits than its factorization.
1403421642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 473 (or 463 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 1403421642 is about 37462.2695788710. The cubic root of 1403421642 is about 1119.5995703946.
Adding to 1403421642 its reverse (2461243041), we get a palindrome (3864664683).
The spelling of 1403421642 in words is "one billion, four hundred three million, four hundred twenty-one thousand, six hundred forty-two".
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