Base | Representation |
---|---|
bin | 111111111001100… |
… | …110101110111110 |
3 | 2202201021120100112 |
4 | 333321212232332 |
5 | 4143422043340 |
6 | 254214030022 |
7 | 35365256210 |
oct | 7771465676 |
9 | 2681246315 |
10 | 1072065470 |
11 | 500175723 |
12 | 25b048312 |
13 | 14114cb88 |
14 | a254a5b0 |
15 | 641b9065 |
hex | 3fe66bbe |
1072065470 has 32 divisors (see below), whose sum is σ = 2212394688. Its totient is φ = 366398208.
The previous prime is 1072065457. The next prime is 1072065473. The reversal of 1072065470 is 745602701.
1072065470 = 2102 + 2112 + ... + 14772.
It is a super-2 number, since 2×10720654702 = 2298648743932641800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1072065473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967 + ... + 46346.
It is an arithmetic number, because the mean of its divisors is an integer number (69137334).
Almost surely, 21072065470 is an apocalyptic number.
1072065470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1072065470 is an abundant number, since it is smaller than the sum of its proper divisors (1140329218).
1072065470 is a wasteful number, since it uses less digits than its factorization.
1072065470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48644.
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 1072065470 is about 32742.4108764153. The cubic root of 1072065470 is about 1023.4668238491.
The spelling of 1072065470 in words is "one billion, seventy-two million, sixty-five thousand, four hundred seventy".
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