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995215 = 51361251
BaseRepresentation
bin11110010111110001111
31212120011211
43302332033
5223321330
633155251
711313334
oct3627617
91776154
10995215
1161a7a1
123bbb27
1328acb0
141bc98b
15149d2a
hexf2f8f

995215 has 16 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 720000.

The previous prime is 995173. The next prime is 995219. The reversal of 995215 is 512599.

995215 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 995215 - 213 = 987023 is a prime.

It is a Duffinian number.

995215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3840 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (82026).

2995215 is an apocalyptic number.

995215 is a deficient number, since it is larger than the sum of its proper divisors (317201).

995215 is a wasteful number, since it uses less digits than its factorization.

995215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 4050, while the sum is 31.

The square root of 995215 is about 997.6046311039. The cubic root of 995215 is about 99.8402449190.

The spelling of 995215 in words is "nine hundred ninety-five thousand, two hundred fifteen".

Divisors: 1 5 13 61 65 251 305 793 1255 3263 3965 15311 16315 76555 199043 995215