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1386716541 = 3773904577
BaseRepresentation
bin101001010100111…
…1001110101111101
310120122100111110220
41102221321311331
510314444412131
6345334051553
746235616240
oct12251716575
93518314426
101386716541
11651846731
123284a9bb9
131913aa542
14d2255257
1581b1de96
hex52a79d7d

1386716541 has 16 divisors (see below), whose sum is σ = 2142040704. Its totient is φ = 781553664.

The previous prime is 1386716491. The next prime is 1386716543. The reversal of 1386716541 is 1456176831.

It is not a de Polignac number, because 1386716541 - 27 = 1386716413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386716493 and 1386716502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386716543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450756 + ... + 453821.

It is an arithmetic number, because the mean of its divisors is an integer number (133877544).

Almost surely, 21386716541 is an apocalyptic number.

It is an amenable number.

1386716541 is a deficient number, since it is larger than the sum of its proper divisors (755324163).

1386716541 is an equidigital number, since it uses as much as digits as its factorization.

1386716541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904660.

The product of its digits is 120960, while the sum is 42.

The square root of 1386716541 is about 37238.6431143778. The cubic root of 1386716541 is about 1115.1395834288.

The spelling of 1386716541 in words is "one billion, three hundred eighty-six million, seven hundred sixteen thousand, five hundred forty-one".

Divisors: 1 3 7 21 73 219 511 1533 904577 2713731 6332039 18996117 66034121 198102363 462238847 1386716541