Base | Representation |
---|---|
bin | 101001010010100… |
… | …1010100000100000 |
3 | 10120120000101010211 |
4 | 1102211022200200 |
5 | 10314140132310 |
6 | 345251303504 |
7 | 46222223014 |
oct | 12245124040 |
9 | 3516011124 |
10 | 1385474080 |
11 | 651078201 |
12 | 327baab94 |
13 | 191063b63 |
14 | d2010544 |
15 | 81975c8a |
hex | 5294a820 |
1385474080 has 48 divisors (see below), whose sum is σ = 3278608704. Its totient is φ = 553271040.
The previous prime is 1385474033. The next prime is 1385474099. The reversal of 1385474080 is 804745831.
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 94099 + ... + 107821.
It is an arithmetic number, because the mean of its divisors is an integer number (68304348).
Almost surely, 21385474080 is an apocalyptic number.
1385474080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1385474080 is an abundant number, since it is smaller than the sum of its proper divisors (1893134624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385474080 is a wasteful number, since it uses less digits than its factorization.
1385474080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14369 (or 14361 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 1385474080 is about 37221.9569609122. The cubic root of 1385474080 is about 1114.8064388140.
The spelling of 1385474080 in words is "one billion, three hundred eighty-five million, four hundred seventy-four thousand, eighty".
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