Base | Representation |
---|---|
bin | 111101100010010… |
… | …011010111110100 |
3 | 2122221122110212200 |
4 | 331202103113310 |
5 | 4103243334140 |
6 | 250235544500 |
7 | 34404163410 |
oct | 7542232764 |
9 | 2587573780 |
10 | 1032402420 |
11 | 48a845245 |
12 | 2498bb130 |
13 | 135b7380a |
14 | 9b183d40 |
15 | 60982030 |
hex | 3d8935f4 |
1032402420 has 72 divisors (see below), whose sum is σ = 3578999424. Its totient is φ = 235977408.
The previous prime is 1032402383. The next prime is 1032402421. The reversal of 1032402420 is 242042301.
1032402420 is a `hidden beast` number, since 1 + 0 + 3 + 240 + 2 + 420 = 666.
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 = 1032402393 and 1032402402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1032402421) 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 23 ways as a sum of consecutive naturals, for example, 408424 + ... + 410943.
Almost surely, 21032402420 is an apocalyptic number.
1032402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1032402420 is an abundant number, since it is smaller than the sum of its proper divisors (2546597004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1032402420 is a wasteful number, since it uses less digits than its factorization.
1032402420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 819389 (or 819384 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1032402420 is about 32131.0195916656. The cubic root of 1032402420 is about 1010.6862049208.
Adding to 1032402420 its reverse (242042301), we get a palindrome (1274444721).
The spelling of 1032402420 in words is "one billion, thirty-two million, four hundred two thousand, four hundred twenty".
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