Search a number
-
+
16200257 = 232333023
BaseRepresentation
bin111101110011…
…001001000001
31010111001120112
4331303021001
513121402012
61335121105
7254462033
oct75631101
933431515
1016200257
119165547
125513195
133482a68
142219c53
151650122
hexf73241

16200257 has 8 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 15424288.

The previous prime is 16200209. The next prime is 16200271. The reversal of 16200257 is 75200261.

16200257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16200257 - 210 = 16199233 is a prime.

It is a super-3 number, since 3×162002573 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16200287) 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, 3848 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (2122848).

Almost surely, 216200257 is an apocalyptic number.

It is an amenable number.

16200257 is a deficient number, since it is larger than the sum of its proper divisors (782527).

16200257 is a wasteful number, since it uses less digits than its factorization.

16200257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 16200257 is about 4024.9542854547. The cubic root of 16200257 is about 253.0311376217.

The spelling of 16200257 in words is "sixteen million, two hundred thousand, two hundred fifty-seven".

Divisors: 1 23 233 3023 5359 69529 704359 16200257