Base | Representation |
---|---|
bin | 111001101101011… |
… | …0110111001111000 |
3 | 11222221201100111202 |
4 | 1303122312321320 |
5 | 12431210423342 |
6 | 520052113332 |
7 | 65662205510 |
oct | 16332667170 |
9 | 4887640452 |
10 | 1936420472 |
11 | 9040713a8 |
12 | 460605848 |
13 | 24b24603c |
14 | 145268840 |
15 | b5004332 |
hex | 736b6e78 |
1936420472 has 32 divisors (see below), whose sum is σ = 4179777120. Its totient is φ = 823833600.
The previous prime is 1936420469. The next prime is 1936420477. The reversal of 1936420472 is 2740246391.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1936420477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118529 + ... + 133872.
It is an arithmetic number, because the mean of its divisors is an integer number (130618035).
Almost surely, 21936420472 is an apocalyptic number.
It is an amenable number.
1936420472 is an abundant number, since it is smaller than the sum of its proper divisors (2243356648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1936420472 is a wasteful number, since it uses less digits than its factorization.
1936420472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252551 (or 252547 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 38.
The square root of 1936420472 is about 44004.7778315037. Note that the first 3 decimals coincide. The cubic root of 1936420472 is about 1246.4261592276.
The spelling of 1936420472 in words is "one billion, nine hundred thirty-six million, four hundred twenty thousand, four hundred seventy-two".
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