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386629984 = 2513929399
BaseRepresentation
bin10111000010111…
…000000101100000
3222221111211122001
4113002320011200
51242434124414
6102210453344
712403205056
oct2702700540
9887454561
10386629984
11189273914
12a9594254
136213cb50
14394c41d6
1523e22074
hex170b8160

386629984 has 24 divisors (see below), whose sum is σ = 819730800. Its totient is φ = 178444416.

The previous prime is 386629951. The next prime is 386629987. The reversal of 386629984 is 489926683.

It is a happy number.

It is a super-3 number, since 3×3866299843 (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386629987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464284 + ... + 465115.

It is an arithmetic number, because the mean of its divisors is an integer number (34155450).

Almost surely, 2386629984 is an apocalyptic number.

It is an amenable number.

386629984 is an abundant number, since it is smaller than the sum of its proper divisors (433100816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386629984 is a wasteful number, since it uses less digits than its factorization.

386629984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929422 (or 929414 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The square root of 386629984 is about 19662.9088387248. The cubic root of 386629984 is about 728.5038375113.

The spelling of 386629984 in words is "three hundred eighty-six million, six hundred twenty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 929399 1858798 3717596 7435192 12082187 14870384 24164374 29740768 48328748 96657496 193314992 386629984