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1386012046 = 23147475639
BaseRepresentation
bin101001010011100…
…1101110110001110
310120121000201002111
41102213031312032
510314304341141
6345311014234
746226623306
oct12247156616
93517021074
101386012046
11651405401
1232820a37a
131911c1993
14d2110606
1581a30381
hex529cdd8e

1386012046 has 16 divisors (see below), whose sum is σ = 2191749120. Its totient is φ = 656380440.

The previous prime is 1386012031. The next prime is 1386012053. The reversal of 1386012046 is 6402106831.

It is a happy number.

It is a super-2 number, since 2×13860120462 = 3842058783314212232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1386011999 and 1386012017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234906 + ... + 240733.

It is an arithmetic number, because the mean of its divisors is an integer number (136984320).

Almost surely, 21386012046 is an apocalyptic number.

1386012046 is a deficient number, since it is larger than the sum of its proper divisors (805737074).

1386012046 is a wasteful number, since it uses less digits than its factorization.

1386012046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475719.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1386012046 is about 37229.1827200115. The cubic root of 1386012046 is about 1114.9507096123.

Adding to 1386012046 its reverse (6402106831), we get a palindrome (7788118877).

The spelling of 1386012046 in words is "one billion, three hundred eighty-six million, twelve thousand, forty-six".

Divisors: 1 2 31 47 62 94 1457 2914 475639 951278 14744809 22355033 29489618 44710066 693006023 1386012046