Base | Representation |
---|---|
bin | 10110111111001… |
… | …001000101100100 |
3 | 222212200002210000 |
4 | 112333021011210 |
5 | 1242211313134 |
6 | 102133501300 |
7 | 12361660032 |
oct | 2677110544 |
9 | 885602700 |
10 | 385651044 |
11 | 188765379 |
12 | a91a1830 |
13 | 61b893ac |
14 | 3930b552 |
15 | 23ccbe99 |
hex | 16fc9164 |
385651044 has 45 divisors (see below), whose sum is σ = 1009092931. Its totient is φ = 128432520.
The previous prime is 385651009. The next prime is 385651087. The reversal of 385651044 is 440156583.
It is a happy number.
The square root of 385651044 is 19638.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 352939 + ... + 354029.
Almost surely, 2385651044 is an apocalyptic number.
385651044 is the 19638-th square number.
It is an amenable number.
385651044 is an abundant number, since it is smaller than the sum of its proper divisors (623441887).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385651044 is an equidigital number, since it uses as much as digits as its factorization.
385651044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2198 (or 1096 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The cubic root of 385651044 is about 727.8884650809. Note that the first 3 decimals are identical.
Multiplying 385651044 by its sum of digits (36), we get a square (13883437584 = 1178282).
385651044 divided by its sum of digits (36) gives a square (10712529 = 32732).
Multiplying 385651044 by its product of nonzero digits (57600), we get a square (22213500134400 = 47131202).
The spelling of 385651044 in words is "three hundred eighty-five million, six hundred fifty-one thousand, forty-four".
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