Base | Representation |
---|---|
bin | 111001101110001… |
… | …0100011101000000 |
3 | 11222222102211010110 |
4 | 1303130110131000 |
5 | 12431310204043 |
6 | 520104231320 |
7 | 65665362603 |
oct | 16334243500 |
9 | 4888384113 |
10 | 1936803648 |
11 | 90430327a |
12 | 46076b540 |
13 | 24b34b580 |
14 | 14532833a |
15 | b507cb33 |
hex | 73714740 |
1936803648 has 56 divisors (see below), whose sum is σ = 5518655968. Its totient is φ = 595938816.
The previous prime is 1936803643. The next prime is 1936803697. The reversal of 1936803648 is 8463086391.
It is a super-2 number, since 2×19368036482 = 7502416741812215808, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 1936803597 and 1936803606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1936803643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385486 + ... + 390477.
It is an arithmetic number, because the mean of its divisors is an integer number (98547428).
Almost surely, 21936803648 is an apocalyptic number.
It is an amenable number.
1936803648 is an abundant number, since it is smaller than the sum of its proper divisors (3581852320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1936803648 is a wasteful number, since it uses less digits than its factorization.
1936803648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 775991 (or 775981 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 48.
The square root of 1936803648 is about 44009.1314161050. The cubic root of 1936803648 is about 1246.5083674563.
The spelling of 1936803648 in words is "one billion, nine hundred thirty-six million, eight hundred three thousand, six hundred forty-eight".
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