Base | Representation |
---|---|
bin | 100101000001… |
… | …0010001001110 |
3 | 1100112000200222 |
4 | 1022002101032 |
5 | 14432023300 |
6 | 1531551342 |
7 | 323651642 |
oct | 112022116 |
9 | 40460628 |
10 | 19407950 |
11 | aa56531 |
12 | 65bb552 |
13 | 4036ac3 |
14 | 2812c22 |
15 | 1a85785 |
hex | 128244e |
19407950 has 12 divisors (see below), whose sum is σ = 36098880. Its totient is φ = 7763160.
The previous prime is 19407937. The next prime is 19407959. The reversal of 19407950 is 5970491.
It is a self number, because there is not a number n which added to its sum of digits gives 19407950.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19407959) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194030 + ... + 194129.
It is an arithmetic number, because the mean of its divisors is an integer number (3008240).
Almost surely, 219407950 is an apocalyptic number.
19407950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19407950 is a deficient number, since it is larger than the sum of its proper divisors (16690930).
19407950 is a wasteful number, since it uses less digits than its factorization.
19407950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388171 (or 388166 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 35.
The square root of 19407950 is about 4405.4454939313. The cubic root of 19407950 is about 268.7364370296.
The spelling of 19407950 in words is "nineteen million, four hundred seven thousand, nine hundred fifty".
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