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2425728 = 2736317
BaseRepresentation
bin1001010000001110000000
311120020110210
421100032000
51110110403
6123554120
726422044
oct11201600
94506423
102425728
111407538
1298b940
1366c156
14472024
1532db03
hex250380

2425728 has 32 divisors (see below), whose sum is σ = 6444360. Its totient is φ = 808448.

The previous prime is 2425723. The next prime is 2425729. The reversal of 2425728 is 8275242.

It is a tau number, because it is divible by the number of its divisors (32).

It is a d-powerful number, because it can be written as 216 + 44 + 218 + 54 + 7 + 221 + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2425695 and 2425704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775 + ... + 3542.

22425728 is an apocalyptic number.

It is an amenable number.

2425728 is an abundant number, since it is smaller than the sum of its proper divisors (4018632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2425728 is an equidigital number, since it uses as much as digits as its factorization.

2425728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6322 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 2425728 is about 1557.4748794122. The cubic root of 2425728 is about 134.3633119814.

It can be divided in two parts, 24 and 25728, that added together give a palindrome (25752).

The spelling of 2425728 in words is "two million, four hundred twenty-five thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 6317 12634 18951 25268 37902 50536 75804 101072 151608 202144 303216 404288 606432 808576 1212864 2425728