Search a number
-
+
5198961 = 31732987
BaseRepresentation
bin10011110101010001110001
3100210010122010
4103311101301
52312331321
6303233133
762122215
oct23652161
910703563
105198961
112a31069
1218a87a9
131100511
14994945
156ca676
hex4f5471

5198961 has 4 divisors (see below), whose sum is σ = 6931952. Its totient is φ = 3465972.

The previous prime is 5198959. The next prime is 5198983. The reversal of 5198961 is 1698915.

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.

It is not a de Polignac number, because 5198961 - 21 = 5198959 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866491 + ... + 866496.

It is an arithmetic number, because the mean of its divisors is an integer number (1732988).

Almost surely, 25198961 is an apocalyptic number.

It is an amenable number.

5198961 is a deficient number, since it is larger than the sum of its proper divisors (1732991).

5198961 is a wasteful number, since it uses less digits than its factorization.

5198961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732990.

The product of its digits is 19440, while the sum is 39.

The square root of 5198961 is about 2280.1230229968. The cubic root of 5198961 is about 173.2362815505.

The spelling of 5198961 in words is "five million, one hundred ninety-eight thousand, nine hundred sixty-one".

Divisors: 1 3 1732987 5198961