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2378825 = 5295153
BaseRepresentation
bin1001000100110001001001
311110212010122
421010301021
51102110300
6122553025
726135231
oct11046111
94425118
102378825
111385279
12968775
136539b7
1445ccc1
1531ec85
hex244c49

2378825 has 6 divisors (see below), whose sum is σ = 2949774. Its totient is φ = 1903040.

The previous prime is 2378807. The next prime is 2378843. The reversal of 2378825 is 5288732.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2378807) and next prime (2378843).

It can be written as a sum of positive squares in 3 ways, for example, as 732736 + 1646089 = 856^2 + 1283^2 .

It is not a de Polignac number, because 2378825 - 28 = 2378569 is a prime.

It is a d-powerful number, because it can be written as 25 + 33 + 76 + 85 + 87 + 217 + 53 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47552 + ... + 47601.

It is an arithmetic number, because the mean of its divisors is an integer number (491629).

22378825 is an apocalyptic number.

2378825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2378825 is a deficient number, since it is larger than the sum of its proper divisors (570949).

2378825 is an equidigital number, since it uses as much as digits as its factorization.

2378825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95163 (or 95158 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 2378825 is about 1542.3439953525. The cubic root of 2378825 is about 133.4916695368.

The spelling of 2378825 in words is "two million, three hundred seventy-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 95153 475765 2378825