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385036001 = 755005143
BaseRepresentation
bin10110111100110…
…010111011100001
3222211111212002122
4112330302323201
51242032123001
6102112354025
712353515640
oct2674627341
9884455078
10385036001
11188385279
12a8b45915
1361a0246c
14391cb357
1523c09b1b
hex16f32ee1

385036001 has 4 divisors (see below), whose sum is σ = 440041152. Its totient is φ = 330030852.

The previous prime is 385035979. The next prime is 385036033. The reversal of 385036001 is 100630583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100630583 = 671501949.

It is a cyclic number.

It is not a de Polignac number, because 385036001 - 222 = 380841697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385036801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27502565 + ... + 27502578.

It is an arithmetic number, because the mean of its divisors is an integer number (110010288).

Almost surely, 2385036001 is an apocalyptic number.

It is an amenable number.

385036001 is a deficient number, since it is larger than the sum of its proper divisors (55005151).

385036001 is an equidigital number, since it uses as much as digits as its factorization.

385036001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005150.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 385036001 is about 19622.3342393304. The cubic root of 385036001 is about 727.5013094610.

Adding to 385036001 its reverse (100630583), we get a palindrome (485666584).

The spelling of 385036001 in words is "three hundred eighty-five million, thirty-six thousand, one".

Divisors: 1 7 55005143 385036001