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1402244387 is a prime number
BaseRepresentation
bin101001110010100…
…1000110100100011
310121201120101200022
41103211020310203
510332433310022
6351050544055
746514611025
oct12345106443
93551511608
101402244387
1165a591a65
1233173802b
1319468620b
14d4338015
1583189c42
hex53948d23

1402244387 has 2 divisors, whose sum is σ = 1402244388. Its totient is φ = 1402244386.

The previous prime is 1402244357. The next prime is 1402244423. The reversal of 1402244387 is 7834422041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402244387 - 210 = 1402243363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402244317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701122193 + 701122194.

It is an arithmetic number, because the mean of its divisors is an integer number (701122194).

Almost surely, 21402244387 is an apocalyptic number.

1402244387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402244387 is an equidigital number, since it uses as much as digits as its factorization.

1402244387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 1402244387 is about 37446.5537399638. The cubic root of 1402244387 is about 1119.2864255128.

The spelling of 1402244387 in words is "one billion, four hundred two million, two hundred forty-four thousand, three hundred eighty-seven".