Base | Representation |
---|---|
bin | 100110101110… |
… | …0100010001000 |
3 | 1102012110001110 |
4 | 1031130202020 |
5 | 20144130320 |
6 | 2003050320 |
7 | 334364250 |
oct | 115344210 |
9 | 42173043 |
10 | 20301960 |
11 | 10507188 |
12 | 69709a0 |
13 | 428a9c3 |
14 | 29a6960 |
15 | 1bb05e0 |
hex | 135c888 |
20301960 has 64 divisors (see below), whose sum is σ = 69609600. Its totient is φ = 4640256.
The previous prime is 20301949. The next prime is 20301991. The reversal of 20301960 is 6910302.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11245 + ... + 12924.
It is an arithmetic number, because the mean of its divisors is an integer number (1087650).
Almost surely, 220301960 is an apocalyptic number.
20301960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20301960 is an abundant number, since it is smaller than the sum of its proper divisors (49307640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301960 is a wasteful number, since it uses less digits than its factorization.
20301960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24190 (or 24186 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 20301960 is about 4505.7696345907. The cubic root of 20301960 is about 272.8010196526.
The spelling of 20301960 in words is "twenty million, three hundred one thousand, nine hundred sixty".
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