Base | Representation |
---|---|
bin | 1001001110110100111001 |
3 | 11112221122120 |
4 | 21032310321 |
5 | 1104420100 |
6 | 123511453 |
7 | 26366316 |
oct | 11166471 |
9 | 4487576 |
10 | 2420025 |
11 | 1403223 |
12 | 988589 |
13 | 66968a |
14 | 46dd0d |
15 | 32c0a0 |
hex | 24ed39 |
2420025 has 24 divisors (see below), whose sum is σ = 4103904. Its totient is φ = 1257600.
The previous prime is 2420017. The next prime is 2420051. The reversal of 2420025 is 5200242.
It is not a de Polignac number, because 2420025 - 23 = 2420017 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2419986 and 2420013.
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, 2682 + ... + 3468.
It is an arithmetic number, because the mean of its divisors is an integer number (170996).
22420025 is an apocalyptic number.
2420025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2420025 is a deficient number, since it is larger than the sum of its proper divisors (1683879).
2420025 is a wasteful number, since it uses less digits than its factorization.
2420025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841 (or 836 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 15.
The square root of 2420025 is about 1555.6429538940. The cubic root of 2420025 is about 134.2579312092.
Adding to 2420025 its reverse (5200242), we get a palindrome (7620267).
The spelling of 2420025 in words is "two million, four hundred twenty thousand, twenty-five".
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