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4951825 = 52198073
BaseRepresentation
bin10010111000111100010001
3100022120121221
4102320330101
52231424300
6254045041
760042544
oct22707421
910276557
104951825
11288241a
1217a9781
131044b98
1492c85b
1567c31a
hex4b8f11

4951825 has 6 divisors (see below), whose sum is σ = 6140294. Its totient is φ = 3961440.

The previous prime is 4951823. The next prime is 4951829. The reversal of 4951825 is 5281594.

It can be written as a sum of positive squares in 3 ways, for example, as 753424 + 4198401 = 868^2 + 2049^2 .

It is not a de Polignac number, because 4951825 - 21 = 4951823 is a prime.

It is a Duffinian number.

4951825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4951823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99012 + ... + 99061.

Almost surely, 24951825 is an apocalyptic number.

It is an amenable number.

4951825 is a deficient number, since it is larger than the sum of its proper divisors (1188469).

4951825 is a wasteful number, since it uses less digits than its factorization.

4951825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198083 (or 198078 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 4951825 is about 2225.2696465822. The cubic root of 4951825 is about 170.4466340840.

It can be divided in two parts, 4951 and 825, that added together give a square (5776 = 762).

The spelling of 4951825 in words is "four million, nine hundred fifty-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 198073 990365 4951825