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2425240042 = 21212620021
BaseRepresentation
bin1001000010001110…
…0011100111101010
320021000111221220021
42100203203213222
514431330140132
61040353151054
7114046125451
oct22043434752
96230457807
102425240042
111034a91815
1257825b48a
132c85b51a4
1419014db98
15e2dae997
hex908e39ea

2425240042 has 4 divisors (see below), whose sum is σ = 3637860066. Its totient is φ = 1212620020.

The previous prime is 2425240007. The next prime is 2425240057. The reversal of 2425240042 is 2400425242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1824058681 + 601181361 = 42709^2 + 24519^2 .

It is a super-2 number, since 2×24252400422 = 11763578522640323528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2425239989 and 2425240016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606310009 + ... + 606310012.

Almost surely, 22425240042 is an apocalyptic number.

2425240042 is a deficient number, since it is larger than the sum of its proper divisors (1212620024).

2425240042 is a wasteful number, since it uses less digits than its factorization.

2425240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212620023.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2425240042 is about 49246.7262059114. The cubic root of 2425240042 is about 1343.5430189596.

Adding to 2425240042 its reverse (2400425242), we get a palindrome (4825665284).

The spelling of 2425240042 in words is "two billion, four hundred twenty-five million, two hundred forty thousand, forty-two".

Divisors: 1 2 1212620021 2425240042