Base | Representation |
---|---|
bin | 100100101101… |
… | …1111100010100 |
3 | 1100020001100200 |
4 | 1021123330110 |
5 | 14412012324 |
6 | 1524340500 |
7 | 322426155 |
oct | 111337424 |
9 | 40201320 |
10 | 19250964 |
11 | a959597 |
12 | 6544730 |
13 | 3cb0505 |
14 | 27b192c |
15 | 1a53ec9 |
hex | 125bf14 |
19250964 has 36 divisors (see below), whose sum is σ = 48796020. Its totient is φ = 6399360.
The previous prime is 19250963. The next prime is 19250993. The reversal of 19250964 is 46905291.
19250964 is a `hidden beast` number, since 1 + 92 + 509 + 64 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 3090564 = 4020^2 + 1758^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×192509642 = 741199229858592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19250963) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 23392 + ... + 24200.
It is an arithmetic number, because the mean of its divisors is an integer number (1355445).
Almost surely, 219250964 is an apocalyptic number.
It is an amenable number.
19250964 is an abundant number, since it is smaller than the sum of its proper divisors (29545056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19250964 is a wasteful number, since it uses less digits than its factorization.
19250964 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 19250964 is about 4387.5920503164. The cubic root of 19250964 is about 268.0098941918.
The spelling of 19250964 in words is "nineteen million, two hundred fifty thousand, nine hundred sixty-four".
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