Search a number
-
+
160399429 = 1197113399
BaseRepresentation
bin10011000111110…
…00000001000101
3102011211010122121
421203320001011
5312030240204
623525525541
73655241551
oct1143700105
9364733577
10160399429
11825a5513
12458738b1
1327300508
1417434861
15e135b54
hex98f8045

160399429 has 4 divisors (see below), whose sum is σ = 160424800. Its totient is φ = 160374060.

The previous prime is 160399427. The next prime is 160399441. The reversal of 160399429 is 924993061.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 924993061 = 1795167559.

It is a cyclic number.

It is not a de Polignac number, because 160399429 - 21 = 160399427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160399423) 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, 5272 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (40106200).

Almost surely, 2160399429 is an apocalyptic number.

It is an amenable number.

160399429 is a deficient number, since it is larger than the sum of its proper divisors (25371).

160399429 is a wasteful number, since it uses less digits than its factorization.

160399429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25370.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 160399429 is about 12664.8896165738. The cubic root of 160399429 is about 543.3349050435.

The spelling of 160399429 in words is "one hundred sixty million, three hundred ninety-nine thousand, four hundred twenty-nine".

Divisors: 1 11971 13399 160399429