Base | Representation |
---|---|
bin | 101100010010001… |
… | …0010010111011100 |
3 | 10211112222220210011 |
4 | 1120210102113130 |
5 | 11020343014140 |
6 | 403240053004 |
7 | 51552001414 |
oct | 13044222734 |
9 | 3745886704 |
10 | 1485907420 |
11 | 6a2835268 |
12 | 355764164 |
13 | 1a8ac997a |
14 | 1014b5644 |
15 | 8a6b3cea |
hex | 589125dc |
1485907420 has 48 divisors (see below), whose sum is σ = 3221826048. Its totient is φ = 575216640.
The previous prime is 1485907403. The next prime is 1485907453. The reversal of 1485907420 is 247095841.
It is a super-2 number, since 2×14859074202 = 4415841721622112800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136084 + ... + 146596.
It is an arithmetic number, because the mean of its divisors is an integer number (67121376).
Almost surely, 21485907420 is an apocalyptic number.
1485907420 is a gapful number since it is divisible by the number (10) 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 1485907420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610913024).
1485907420 is an abundant number, since it is smaller than the sum of its proper divisors (1735918628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1485907420 is a wasteful number, since it uses less digits than its factorization.
1485907420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10750 (or 10748 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 1485907420 is about 38547.4696964665. The cubic root of 1485907420 is about 1141.1180730746.
The spelling of 1485907420 in words is "one billion, four hundred eighty-five million, nine hundred seven thousand, four hundred twenty".
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