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385000432047 = 33711185185393
BaseRepresentation
bin1011001101000111101…
…00000110000110101111
31100210202100020100222000
411212203310012012233
522301440102311142
6452511115223343
736546445451130
oct5464364060657
91323670210860
10385000432047
11139306785a50
1262747a47b53
132a3c7c13b4a
14148c4051c87
15a034b6c14c
hex59a3d061af

385000432047 has 32 divisors (see below), whose sum is σ = 711111912960. Its totient is φ = 200000223360.

The previous prime is 385000432031. The next prime is 385000432067. The reversal of 385000432047 is 740234000583.

It is a happy number.

It is not a de Polignac number, because 385000432047 - 24 = 385000432031 is a prime.

It is a super-2 number, since 2×3850004320472 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385000432067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92590618 + ... + 92594775.

It is an arithmetic number, because the mean of its divisors is an integer number (22222247280).

Almost surely, 2385000432047 is an apocalyptic number.

385000432047 is a deficient number, since it is larger than the sum of its proper divisors (326111480913).

385000432047 is a wasteful number, since it uses less digits than its factorization.

385000432047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185185420 (or 185185414 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 385000432047 in words is "three hundred eighty-five billion, four hundred thirty-two thousand, forty-seven".

Divisors: 1 3 7 9 11 21 27 33 63 77 99 189 231 297 693 2079 185185393 555556179 1296297751 1666668537 2037039323 3888893253 5000005611 6111117969 11666679759 14259275261 18333353907 35000039277 42777825783 55000061721 128333477349 385000432047