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194895 = 3256171
BaseRepresentation
bin101111100101001111
3100220100100
4233211033
522214040
64102143
71441131
oct574517
9326310
10194895
11123478
1294953
136a92c
1451051
153cb30
hex2f94f

194895 has 24 divisors (see below), whose sum is σ = 348192. Its totient is φ = 100800.

The previous prime is 194891. The next prime is 194899. The reversal of 194895 is 598491.

It is an interprime number because it is at equal distance from previous prime (194891) and next prime (194899).

It is not a de Polignac number, because 194895 - 22 = 194891 is a prime.

It is a super-2 number, since 2×1948952 = 75968122050, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2710 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (14508).

2194895 is an apocalyptic number.

194895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194895 is a deficient number, since it is larger than the sum of its proper divisors (153297).

194895 is a wasteful number, since it uses less digits than its factorization.

194895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 140 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 194895 is about 441.4691382192. The cubic root of 194895 is about 57.9784898437.

It can be divided in two parts, 194 and 895, that added together give a square (1089 = 332).

The spelling of 194895 in words is "one hundred ninety-four thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 15 45 61 71 183 213 305 355 549 639 915 1065 2745 3195 4331 12993 21655 38979 64965 194895