Base | Representation |
---|---|
bin | 10001011101110… |
… | …010000101110100 |
3 | 202102100221220100 |
4 | 101131302011310 |
5 | 1100003120040 |
6 | 45024234100 |
7 | 10155425526 |
oct | 2135620564 |
9 | 672327810 |
10 | 293020020 |
11 | 140447307 |
12 | 8216b930 |
13 | 48925a37 |
14 | 2acb7a16 |
15 | 1aad0b30 |
hex | 11772174 |
293020020 has 72 divisors (see below), whose sum is σ = 912870504. Its totient is φ = 76025088.
The previous prime is 293020009. The next prime is 293020061. The reversal of 293020020 is 20020392.
It can be written as a sum of positive squares in 4 ways, for example, as 47032164 + 245987856 = 6858^2 + 15684^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 293019975 and 293020002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15339 + ... + 28658.
It is an arithmetic number, because the mean of its divisors is an integer number (12678757).
Almost surely, 2293020020 is an apocalyptic number.
293020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
293020020 is an abundant number, since it is smaller than the sum of its proper divisors (619850484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
293020020 is a wasteful number, since it uses less digits than its factorization.
293020020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44049 (or 44044 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 293020020 is about 17117.8275490788. The cubic root of 293020020 is about 664.2003465939.
The spelling of 293020020 in words is "two hundred ninety-three million, twenty thousand, twenty".
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