Search a number
-
+
16143429 = 353101531
BaseRepresentation
bin111101100101…
…010001000101
31010101011121210
4331211101011
513113042204
61334002033
7254134251
oct75452105
933334553
1016143429
119126885
1254a6319
133462c33
142203261
15163d389
hexf65445

16143429 has 8 divisors (see below), whose sum is σ = 21930912. Its totient is φ = 10559120.

The previous prime is 16143427. The next prime is 16143431. The reversal of 16143429 is 92434161.

16143429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16143427) and next prime (16143431).

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 16143429 - 21 = 16143427 is a prime.

It is a super-2 number, since 2×161434292 = 521220599756082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16143396 and 16143405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16143427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50607 + ... + 50924.

It is an arithmetic number, because the mean of its divisors is an integer number (2741364).

Almost surely, 216143429 is an apocalyptic number.

It is an amenable number.

16143429 is a deficient number, since it is larger than the sum of its proper divisors (5787483).

16143429 is a wasteful number, since it uses less digits than its factorization.

16143429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101587.

The product of its digits is 5184, while the sum is 30.

The square root of 16143429 is about 4017.8886246386. Note that the first 3 decimals coincide. The cubic root of 16143429 is about 252.7349262770.

The spelling of 16143429 in words is "sixteen million, one hundred forty-three thousand, four hundred twenty-nine".

Divisors: 1 3 53 159 101531 304593 5381143 16143429