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2420891210 = 25242089121
BaseRepresentation
bin1001000001001011…
…1101111001001010
320020201100000102102
42100102331321022
514424222004320
61040120033402
7113664143603
oct22022757112
96221300372
102420891210
111032591441
12576902862
132c772190a
1418d73adaa
15e2801175
hex904bde4a

2420891210 has 8 divisors (see below), whose sum is σ = 4357604196. Its totient is φ = 968356480.

The previous prime is 2420891191. The next prime is 2420891219. The reversal of 2420891210 is 121980242.

It can be written as a sum of positive squares in 2 ways, for example, as 2306208529 + 114682681 = 48023^2 + 10709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2420891219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121044551 + ... + 121044570.

Almost surely, 22420891210 is an apocalyptic number.

2420891210 is a deficient number, since it is larger than the sum of its proper divisors (1936712986).

2420891210 is a wasteful number, since it uses less digits than its factorization.

2420891210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242089128.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2420891210 is about 49202.5528809228. The cubic root of 2420891210 is about 1342.7394780549.

The spelling of 2420891210 in words is "two billion, four hundred twenty million, eight hundred ninety-one thousand, two hundred ten".

Divisors: 1 2 5 10 242089121 484178242 1210445605 2420891210