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1400420041 is a prime number
BaseRepresentation
bin101001101111000…
…1011011011001001
310121121010201010221
41103132023123021
510332001420131
6350543510041
746463242156
oct12336133311
93547121127
101400420041
11659556339
12330bb8321
13194197a17
14d3dc122d
1582e29411
hex5378b6c9

1400420041 has 2 divisors, whose sum is σ = 1400420042. Its totient is φ = 1400420040.

The previous prime is 1400420011. The next prime is 1400420051. The reversal of 1400420041 is 1400240041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1328238025 + 72182016 = 36445^2 + 8496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400420041 - 27 = 1400419913 is a prime.

It is a super-2 number, since 2×14004200412 = 3922352582468883362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400419997 and 1400420024.

It is not a weakly prime, because it can be changed into another prime (1400420011) 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 as a sum of consecutive naturals, namely, 700210020 + 700210021.

It is an arithmetic number, because the mean of its divisors is an integer number (700210021).

Almost surely, 21400420041 is an apocalyptic number.

It is an amenable number.

1400420041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400420041 is an equidigital number, since it uses as much as digits as its factorization.

1400420041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1400420041 is about 37422.1864807496. The cubic root of 1400420041 is about 1118.8008107089.

Adding to 1400420041 its reverse (1400240041), we get a palindrome (2800660082).

The spelling of 1400420041 in words is "one billion, four hundred million, four hundred twenty thousand, forty-one".