Base | Representation |
---|---|
bin | 10111000000001… |
… | …011010110010110 |
3 | 222220011220002020 |
4 | 113000023112112 |
5 | 1242244004304 |
6 | 102143354010 |
7 | 12364200231 |
oct | 2700132626 |
9 | 886156066 |
10 | 385922454 |
11 | 188930285 |
12 | a92b2906 |
13 | 61c52aa8 |
14 | 3937c418 |
15 | 23d325d9 |
hex | 1700b596 |
385922454 has 16 divisors (see below), whose sum is σ = 779803248. Its totient is φ = 127314432.
The previous prime is 385922447. The next prime is 385922461. The reversal of 385922454 is 454229583.
It is an interprime number because it is at equal distance from previous prime (385922447) and next prime (385922461).
It is a super-2 number, since 2×3859224542 = 297872281002764232, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330967 + ... + 332130.
It is an arithmetic number, because the mean of its divisors is an integer number (48737703).
Almost surely, 2385922454 is an apocalyptic number.
385922454 is an abundant number, since it is smaller than the sum of its proper divisors (393880794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385922454 is a wasteful number, since it uses less digits than its factorization.
385922454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 663199.
The product of its digits is 345600, while the sum is 42.
The square root of 385922454 is about 19644.9091115230. The cubic root of 385922454 is about 728.0591806235.
It can be divided in two parts, 3859224 and 54, that multiplied together give a square (208398096 = 144362).
The spelling of 385922454 in words is "three hundred eighty-five million, nine hundred twenty-two thousand, four hundred fifty-four".
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