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1396814387 = 8327536113
BaseRepresentation
bin101001101000001…
…1011001000110011
310121100100112010012
41103100123020303
510330041030022
6350334325135
746420504103
oct12320331063
93540315105
101396814387
11657513361
1232b9597ab
131935047b7
14d3723203
1582965de2
hex5341b233

1396814387 has 8 divisors (see below), whose sum is σ = 1414388304. Its totient is φ = 1379258368.

The previous prime is 1396814369. The next prime is 1396814389. The reversal of 1396814387 is 7834186931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1396814387 - 214 = 1396798003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396814389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225443 + ... + 231555.

It is an arithmetic number, because the mean of its divisors is an integer number (176798538).

Almost surely, 21396814387 is an apocalyptic number.

1396814387 is a deficient number, since it is larger than the sum of its proper divisors (17573917).

1396814387 is an equidigital number, since it uses as much as digits as its factorization.

1396814387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949.

The product of its digits is 870912, while the sum is 50.

The square root of 1396814387 is about 37373.9800797293. The cubic root of 1396814387 is about 1117.8397953054.

The spelling of 1396814387 in words is "one billion, three hundred ninety-six million, eight hundred fourteen thousand, three hundred eighty-seven".

Divisors: 1 83 2753 6113 228499 507379 16829089 1396814387