Base | Representation |
---|---|
bin | 11111001111110111010 |
3 | 1221000120100 |
4 | 3321332322 |
5 | 230231210 |
6 | 33540230 |
7 | 11463135 |
oct | 3717672 |
9 | 1830510 |
10 | 1023930 |
11 | 63a326 |
12 | 414676 |
13 | 29b09b |
14 | 1c921c |
15 | 1535c0 |
hex | f9fba |
1023930 has 48 divisors (see below), whose sum is σ = 2755584. Its totient is φ = 263520.
The previous prime is 1023871. The next prime is 1023941. The reversal of 1023930 is 393201.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 2607 + ... + 2973.
It is an arithmetic number, because the mean of its divisors is an integer number (57408).
21023930 is an apocalyptic number.
1023930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1023930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377792).
1023930 is an abundant number, since it is smaller than the sum of its proper divisors (1731654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023930 is a wasteful number, since it uses less digits than its factorization.
1023930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 411 (or 408 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 1023930 is about 1011.8942632509. The cubic root of 1023930 is about 100.7913872082.
It can be divided in two parts, 1023 and 930, that added together give a triangular number (1953 = T62).
The spelling of 1023930 in words is "one million, twenty-three thousand, nine hundred thirty".
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