Search a number
-
+
2098815 = 35139921
BaseRepresentation
bin1000000000011001111111
310221122000220
420000121333
51014130230
6112552423
723560665
oct10003177
93848026
102098815
111203964
12852713
13586404
143c8c35
152b6d10
hex20067f

2098815 has 8 divisors (see below), whose sum is σ = 3358128. Its totient is φ = 1119360.

The previous prime is 2098813. The next prime is 2098841. The reversal of 2098815 is 5188902.

It is a happy number.

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

It is not a de Polignac number, because 2098815 - 21 = 2098813 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098813) 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, 69946 + ... + 69975.

It is an arithmetic number, because the mean of its divisors is an integer number (419766).

22098815 is an apocalyptic number.

2098815 is a deficient number, since it is larger than the sum of its proper divisors (1259313).

2098815 is a wasteful number, since it uses less digits than its factorization.

2098815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139929.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2098815 is about 1448.7287530797. The cubic root of 2098815 is about 128.0338248824.

The spelling of 2098815 in words is "two million, ninety-eight thousand, eight hundred fifteen".

Divisors: 1 3 5 15 139921 419763 699605 2098815