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2420969401 is a prime number
BaseRepresentation
bin1001000001001101…
…0000111110111001
320020201110222200101
42100103100332321
514424232010101
61040121435401
7113664620554
oct22023207671
96221428611
102420969401
111032635164
1257693bb61
132c774b396
1418d75b69b
15e2819401
hex904d0fb9

2420969401 has 2 divisors, whose sum is σ = 2420969402. Its totient is φ = 2420969400.

The previous prime is 2420969393. The next prime is 2420969407. The reversal of 2420969401 is 1049690242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478479401 + 942490000 = 38451^2 + 30700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420969401 - 23 = 2420969393 is a prime.

It is a super-2 number, since 2×24209694012 = 11722185681156597602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420969407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210484700 + 1210484701.

It is an arithmetic number, because the mean of its divisors is an integer number (1210484701).

Almost surely, 22420969401 is an apocalyptic number.

It is an amenable number.

2420969401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420969401 is an equidigital number, since it uses as much as digits as its factorization.

2420969401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2420969401 is about 49203.3474572615. The cubic root of 2420969401 is about 1342.7539340277.

The spelling of 2420969401 in words is "two billion, four hundred twenty million, nine hundred sixty-nine thousand, four hundred one".