Search a number
-
+
200013947 = 732298849
BaseRepresentation
bin10111110101111…
…11100001111011
3111221100202112222
423322333201323
5402200421242
631502554255
74646043020
oct1372774173
9457322488
10200013947
11a29a2491
1256b9898b
1332590763
141c7c7547
151285d5d2
hexbebf87b

200013947 has 8 divisors (see below), whose sum is σ = 228684000. Its totient is φ = 171368064.

The previous prime is 200013907. The next prime is 200013967. The reversal of 200013947 is 749310002.

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

It is not a de Polignac number, because 200013947 - 28 = 200013691 is a prime.

It is a Duffinian number.

200013947 is a modest number, since divided by 13947 gives 20 as remainder.

It is not an unprimeable number, because it can be changed into a prime (200013907) 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, 18179 + ... + 27027.

It is an arithmetic number, because the mean of its divisors is an integer number (28585500).

Almost surely, 2200013947 is an apocalyptic number.

200013947 is a deficient number, since it is larger than the sum of its proper divisors (28670053).

200013947 is an equidigital number, since it uses as much as digits as its factorization.

200013947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12085.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 200013947 is about 14142.6287160485. The cubic root of 200013947 is about 584.8171410851.

Adding to 200013947 its reverse (749310002), we get a palindrome (949323949).

The spelling of 200013947 in words is "two hundred million, thirteen thousand, nine hundred forty-seven".

Divisors: 1 7 3229 8849 22603 61943 28573421 200013947