Base | Representation |
---|---|
bin | 1001001011011001010010 |
3 | 11112020101000 |
4 | 21023121102 |
5 | 1103442340 |
6 | 123322430 |
7 | 26310330 |
oct | 11133122 |
9 | 4466330 |
10 | 2405970 |
11 | 13a3706 |
12 | 980416 |
13 | 663168 |
14 | 468b50 |
15 | 327d30 |
hex | 24b652 |
2405970 has 128 divisors (see below), whose sum is σ = 7833600. Its totient is φ = 513216.
The previous prime is 2405929. The next prime is 2405971. The reversal of 2405970 is 795042.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2405971) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35877 + ... + 35943.
It is an arithmetic number, because the mean of its divisors is an integer number (61200).
22405970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2405970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3916800).
2405970 is an abundant number, since it is smaller than the sum of its proper divisors (5427630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2405970 is a wasteful number, since it uses less digits than its factorization.
2405970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109 (or 103 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 2405970 is about 1551.1189509512. The cubic root of 2405970 is about 133.9975123916.
It can be divided in two parts, 2405 and 970, that added together give a cube (3375 = 153).
The spelling of 2405970 in words is "two million, four hundred five thousand, nine hundred seventy".
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