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2401240225 = 52175649977
BaseRepresentation
bin1000111100100000…
…0000010010100001
320012100100122100011
42033020000102201
514404204141400
61034134524521
7113335130236
oct21710002241
96170318304
102401240225
11102248a35a
12570206741
132c3631307
1418aca378d
15e0c1d8ba
hex8f2004a1

2401240225 has 12 divisors (see below), whose sum is σ = 3152687724. Its totient is φ = 1807992320.

The previous prime is 2401240217. The next prime is 2401240241. The reversal of 2401240225 is 5220421042.

It can be written as a sum of positive squares in 6 ways, for example, as 83010321 + 2318229904 = 9111^2 + 48148^2 .

It is not a de Polignac number, because 2401240225 - 23 = 2401240217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401240196 and 2401240205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2824564 + ... + 2825413.

It is an arithmetic number, because the mean of its divisors is an integer number (262723977).

Almost surely, 22401240225 is an apocalyptic number.

2401240225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2401240225 is a deficient number, since it is larger than the sum of its proper divisors (751447499).

2401240225 is a wasteful number, since it uses less digits than its factorization.

2401240225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650004 (or 5649999 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2401240225 is about 49002.4512141995. The cubic root of 2401240225 is about 1339.0964847500.

Adding to 2401240225 its reverse (5220421042), we get a palindrome (7621661267).

The spelling of 2401240225 in words is "two billion, four hundred one million, two hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 5649977 28249885 96049609 141249425 480248045 2401240225