Search a number
-
+
387032401 = 767825229
BaseRepresentation
bin10111000100011…
…010010101010001
3222222021021122101
4113010122111101
51243040014101
6102223240401
712406502230
oct2704322521
9888237571
10387032401
11189519198
12a9749101
1362251072
143958ab17
1523ea1401
hex1711a551

387032401 has 8 divisors (see below), whose sum is σ = 448925120. Its totient is φ = 326790288.

The previous prime is 387032383. The next prime is 387032407. The reversal of 387032401 is 104230783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387032401 - 27 = 387032273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387032401.

It is not an unprimeable number, because it can be changed into a prime (387032407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412146 + ... + 413083.

It is an arithmetic number, because the mean of its divisors is an integer number (56115640).

Almost surely, 2387032401 is an apocalyptic number.

It is an amenable number.

387032401 is a deficient number, since it is larger than the sum of its proper divisors (61892719).

387032401 is an equidigital number, since it uses as much as digits as its factorization.

387032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825303.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 387032401 is about 19673.1390733660. The cubic root of 387032401 is about 728.7564999955.

The spelling of 387032401 in words is "three hundred eighty-seven million, thirty-two thousand, four hundred one".

Divisors: 1 7 67 469 825229 5776603 55290343 387032401