Base | Representation |
---|---|
bin | 100100101100… |
… | …1011000100101 |
3 | 1100012111222120 |
4 | 1021121120211 |
5 | 14411143420 |
6 | 1524220153 |
7 | 322353465 |
oct | 111313045 |
9 | 40174876 |
10 | 19240485 |
11 | a951730 |
12 | 653a659 |
13 | 3ca8804 |
14 | 27abba5 |
15 | 1a50d40 |
hex | 1259625 |
19240485 has 32 divisors (see below), whose sum is σ = 34750080. Its totient is φ = 9004800.
The previous prime is 19240477. The next prime is 19240493. The reversal of 19240485 is 58404291.
It is an interprime number because it is at equal distance from previous prime (19240477) and next prime (19240493).
It is not a de Polignac number, because 19240485 - 23 = 19240477 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2775 + ... + 6795.
It is an arithmetic number, because the mean of its divisors is an integer number (1085940).
Almost surely, 219240485 is an apocalyptic number.
19240485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19240485 is a deficient number, since it is larger than the sum of its proper divisors (15509595).
19240485 is a wasteful number, since it uses less digits than its factorization.
19240485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4069.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 19240485 is about 4386.3977247851. The cubic root of 19240485 is about 267.9612561873.
The spelling of 19240485 in words is "nineteen million, two hundred forty thousand, four hundred eighty-five".
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