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2442034021 = 72311607659
BaseRepresentation
bin1001000110001110…
…0111101101100101
320022012010011220111
42101203213231211
520000130042041
61042153133021
7114341642500
oct22143475545
96265104814
102442034021
111043512339
125819ba171
132cbc1525b
14192482137
15e45ca981
hex918e7b65

2442034021 has 12 divisors (see below), whose sum is σ = 2932371840. Its totient is φ = 2025649080.

The previous prime is 2442034019. The next prime is 2442034057. The reversal of 2442034021 is 1204302442.

It is a happy number.

It is not a de Polignac number, because 2442034021 - 21 = 2442034019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2442033983 and 2442034001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442034121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802311 + ... + 805348.

It is an arithmetic number, because the mean of its divisors is an integer number (244364320).

Almost surely, 22442034021 is an apocalyptic number.

It is an amenable number.

2442034021 is a deficient number, since it is larger than the sum of its proper divisors (490337819).

2442034021 is a wasteful number, since it uses less digits than its factorization.

2442034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607704 (or 1607697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2442034021 is about 49416.9406276835. The cubic root of 2442034021 is about 1346.6370839974.

Adding to 2442034021 its reverse (1204302442), we get a palindrome (3646336463).

The spelling of 2442034021 in words is "two billion, four hundred forty-two million, thirty-four thousand, twenty-one".

Divisors: 1 7 31 49 217 1519 1607659 11253613 49837429 78775291 348862003 2442034021