Base | Representation |
---|---|
bin | 1001011011101111110001 |
3 | 11122122020120 |
4 | 21123233301 |
5 | 1113113240 |
6 | 125000453 |
7 | 30006516 |
oct | 11335761 |
9 | 4578216 |
10 | 2472945 |
11 | 1439a62 |
12 | 9b3129 |
13 | 6877a7 |
14 | 48530d |
15 | 33cad0 |
hex | 25bbf1 |
2472945 has 16 divisors (see below), whose sum is σ = 4165440. Its totient is φ = 1249344.
The previous prime is 2472931. The next prime is 2472947. The reversal of 2472945 is 5492742.
It is not a de Polignac number, because 2472945 - 24 = 2472929 is a prime.
It is a super-2 number, since 2×24729452 = 12230913946050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2472947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4054 + ... + 4623.
It is an arithmetic number, because the mean of its divisors is an integer number (260340).
22472945 is an apocalyptic number.
It is an amenable number.
2472945 is a deficient number, since it is larger than the sum of its proper divisors (1692495).
2472945 is a wasteful number, since it uses less digits than its factorization.
2472945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8704.
The product of its digits is 20160, while the sum is 33.
The square root of 2472945 is about 1572.5600147530. The cubic root of 2472945 is about 135.2295135608.
The spelling of 2472945 in words is "two million, four hundred seventy-two thousand, nine hundred forty-five".
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