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2420423461 is a prime number
BaseRepresentation
bin1001000001000100…
…1011101100100101
320020200110020210101
42100101023230211
514424112022321
61040102024101
7113660155111
oct22021135445
96220406711
102420423461
1110322a1a75
12576718031
132c75b9a41
1418d658741
15e275c791
hex9044bb25

2420423461 has 2 divisors, whose sum is σ = 2420423462. Its totient is φ = 2420423460.

The previous prime is 2420423459. The next prime is 2420423503. The reversal of 2420423461 is 1643240242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2343528100 + 76895361 = 48410^2 + 8769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420423461 - 21 = 2420423459 is a prime.

Together with 2420423459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420420461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210211730 + 1210211731.

It is an arithmetic number, because the mean of its divisors is an integer number (1210211731).

Almost surely, 22420423461 is an apocalyptic number.

It is an amenable number.

2420423461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420423461 is an equidigital number, since it uses as much as digits as its factorization.

2420423461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2420423461 is about 49197.7993511905. The cubic root of 2420423461 is about 1342.6529939948.

The spelling of 2420423461 in words is "two billion, four hundred twenty million, four hundred twenty-three thousand, four hundred sixty-one".