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194692025 = 521135851
BaseRepresentation
bin10111001101011…
…00001110111001
3111120100101020202
423212230032321
5344320121100
631152531545
74552566143
oct1346541671
9446311222
10194692025
119a998000
1255250bb5
13314492a8
141bbddc93
151215b7d5
hexb9ac3b9

194692025 has 24 divisors (see below), whose sum is σ = 265587168. Its totient is φ = 141570000.

The previous prime is 194692019. The next prime is 194692037. The reversal of 194692025 is 520296491.

It is not a de Polignac number, because 194692025 - 26 = 194691961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194692025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30350 + ... + 36200.

It is an arithmetic number, because the mean of its divisors is an integer number (11066132).

Almost surely, 2194692025 is an apocalyptic number.

It is an amenable number.

194692025 is a deficient number, since it is larger than the sum of its proper divisors (70895143).

194692025 is an equidigital number, since it uses as much as digits as its factorization.

194692025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5867 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 194692025 is about 13953.2084124047. The cubic root of 194692025 is about 579.5835546073.

The spelling of 194692025 in words is "one hundred ninety-four million, six hundred ninety-two thousand, twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1331 3025 5851 6655 29255 33275 64361 146275 321805 707971 1609025 3539855 7787681 17699275 38938405 194692025