[go: up one dir, main page]

Search a number
-
+
190115 = 547809
BaseRepresentation
bin101110011010100011
3100122210022
4232122203
522040430
64024055
71421162
oct563243
9318708
10190115
1111a922
129202b
13686c3
144d3d9
153b4e5
hex2e6a3

190115 has 8 divisors (see below), whose sum is σ = 233280. Its totient is φ = 148672.

The previous prime is 190097. The next prime is 190121. The reversal of 190115 is 511091.

It is a happy number.

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 190115 - 26 = 190051 is a prime.

It is a super-2 number, since 2×1901152 = 72287426450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190093 and 190102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2190115 is an apocalyptic number.

190115 is a deficient number, since it is larger than the sum of its proper divisors (43165).

190115 is an equidigital number, since it uses as much as digits as its factorization.

190115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 190115 is about 436.0217884464. The cubic root of 190115 is about 57.5005671022.

The spelling of 190115 in words is "one hundred ninety thousand, one hundred fifteen".

Divisors: 1 5 47 235 809 4045 38023 190115