Base | Representation |
---|---|
bin | 101100011001011… |
… | …0010000110011100 |
3 | 10211211010222101220 |
4 | 1120302302012130 |
5 | 11022331114140 |
6 | 403453333340 |
7 | 51626206215 |
oct | 13062620634 |
9 | 3754128356 |
10 | 1489707420 |
11 | 6a49a0263 |
12 | 356a97250 |
13 | 1a982a4a6 |
14 | 101bc440c |
15 | 8abb4bd0 |
hex | 58cb219c |
1489707420 has 24 divisors (see below), whose sum is σ = 4171180944. Its totient is φ = 397255296.
The previous prime is 1489707397. The next prime is 1489707463. The reversal of 1489707420 is 247079841.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12414169 + ... + 12414288.
It is an arithmetic number, because the mean of its divisors is an integer number (173799206).
Almost surely, 21489707420 is an apocalyptic number.
1489707420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1489707420 is an abundant number, since it is smaller than the sum of its proper divisors (2681473524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1489707420 is a wasteful number, since it uses less digits than its factorization.
1489707420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24828469 (or 24828467 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 42.
The square root of 1489707420 is about 38596.7280996719. The cubic root of 1489707420 is about 1142.0899948810.
The spelling of 1489707420 in words is "one billion, four hundred eighty-nine million, seven hundred seven thousand, four hundred twenty".
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