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1386828343 = 2921649023
BaseRepresentation
bin101001010101001…
…0101001000110111
310120122120011211201
41102222111020313
510320012001333
6345340313331
746236563215
oct12252251067
93518504751
101386828343
1165191272a
12328542847
131914193b4
14d2283cb5
1581b4217d
hex52a95237

1386828343 has 6 divisors (see below), whose sum is σ = 1436299904. Its totient is φ = 1339005864.

The previous prime is 1386828337. The next prime is 1386828347. The reversal of 1386828343 is 3438286831.

It is a de Polignac number, because none of the positive numbers 2k-1386828343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1386828293 and 1386828302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386828347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 823671 + ... + 825352.

Almost surely, 21386828343 is an apocalyptic number.

1386828343 is a deficient number, since it is larger than the sum of its proper divisors (49471561).

1386828343 is an equidigital number, since it uses as much as digits as its factorization.

1386828343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649081 (or 1649052 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 1386828343 is about 37240.1442397851. The cubic root of 1386828343 is about 1115.1695514580.

The spelling of 1386828343 in words is "one billion, three hundred eighty-six million, eight hundred twenty-eight thousand, three hundred forty-three".

Divisors: 1 29 841 1649023 47821667 1386828343