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1400014247 is a prime number
BaseRepresentation
bin101001101110010…
…1000010110100111
310121120101002111112
41103130220112213
510331400423442
6350531055235
746456632122
oct12334502647
93546332445
101400014247
116592a9475
12330a4151b
131940850c8
14d3d173b9
1582d99082
hex537285a7

1400014247 has 2 divisors, whose sum is σ = 1400014248. Its totient is φ = 1400014246.

The previous prime is 1400014207. The next prime is 1400014321. The reversal of 1400014247 is 7424100041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400014247 - 28 = 1400013991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400014207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700007123 + 700007124.

It is an arithmetic number, because the mean of its divisors is an integer number (700007124).

Almost surely, 21400014247 is an apocalyptic number.

1400014247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400014247 is an equidigital number, since it uses as much as digits as its factorization.

1400014247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1400014247 is about 37416.7642508007. The cubic root of 1400014247 is about 1118.6927368212.

Adding to 1400014247 its reverse (7424100041), we get a palindrome (8824114288).

The spelling of 1400014247 in words is "one billion, four hundred million, fourteen thousand, two hundred forty-seven".