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2290792421 is a prime number
BaseRepresentation
bin1000100010001010…
…1011011111100101
312220122112022102202
42020202223133211
514142420324141
61015151344245
7110524262051
oct21042533745
95818468382
102290792421
11a76102285
1253b222085
132a67a0198
1417a352c61
15d61a349b
hex888ab7e5

2290792421 has 2 divisors, whose sum is σ = 2290792422. Its totient is φ = 2290792420.

The previous prime is 2290792411. The next prime is 2290792423. The reversal of 2290792421 is 1242970922.

2290792421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1629736900 + 661055521 = 40370^2 + 25711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2290792421 is a prime.

It is a super-2 number, since 2×22907924212 = 10495459832222082482, which contains 22 as substring.

Together with 2290792423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290792423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145396210 + 1145396211.

It is an arithmetic number, because the mean of its divisors is an integer number (1145396211).

Almost surely, 22290792421 is an apocalyptic number.

It is an amenable number.

2290792421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290792421 is an equidigital number, since it uses as much as digits as its factorization.

2290792421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2290792421 is about 47862.2233186048. The cubic root of 2290792421 is about 1318.2423079439.

The spelling of 2290792421 in words is "two billion, two hundred ninety million, seven hundred ninety-two thousand, four hundred twenty-one".