Base | Representation |
---|---|
bin | 1100100010011… |
… | …00111111010100 |
3 | 21022220100011101 |
4 | 12101030333110 |
5 | 203411013243 |
6 | 14234115444 |
7 | 2414645446 |
oct | 621147724 |
9 | 238810141 |
10 | 105172948 |
11 | 54404aa1 |
12 | 2b27bb84 |
13 | 18a3521a |
14 | dd7a496 |
15 | 937754d |
hex | 644cfd4 |
105172948 has 24 divisors (see below), whose sum is σ = 195193152. Its totient is φ = 49413504.
The previous prime is 105172943. The next prime is 105172973. The reversal of 105172948 is 849271501.
It is a super-2 number, since 2×1051729482 = 22122697982021408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105172943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80065 + ... + 81367.
It is an arithmetic number, because the mean of its divisors is an integer number (8133048).
Almost surely, 2105172948 is an apocalyptic number.
It is an amenable number.
105172948 is a deficient number, since it is larger than the sum of its proper divisors (90020204).
105172948 is a wasteful number, since it uses less digits than its factorization.
105172948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 105172948 is about 10255.3862920906. The cubic root of 105172948 is about 472.0282768179.
The spelling of 105172948 in words is "one hundred five million, one hundred seventy-two thousand, nine hundred forty-eight".
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