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252194000 = 2453126097
BaseRepresentation
bin11110000100000…
…10110011010000
3122120112210010112
433002002303100
51004030202000
641005220452
76151420322
oct1702026320
9576483115
10252194000
1111a3a20a3
1270561728
1340330226
14256cb612
1517219235
hexf082cd0

252194000 has 40 divisors (see below), whose sum is σ = 609809928. Its totient is φ = 100876800.

The previous prime is 252193999. The next prime is 252194003. The reversal of 252194000 is 491252.

It can be written as a sum of positive squares in 4 ways, for example, as 18593344 + 233600656 = 4312^2 + 15284^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252194003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61049 + ... + 65048.

Almost surely, 2252194000 is an apocalyptic number.

252194000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252194000 is an abundant number, since it is smaller than the sum of its proper divisors (357615928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252194000 is a wasteful number, since it uses less digits than its factorization.

252194000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126120 (or 126104 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 252194000 is about 15880.6171164725. The cubic root of 252194000 is about 631.7980046662.

The spelling of 252194000 in words is "two hundred fifty-two million, one hundred ninety-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 126097 252194 504388 630485 1008776 1260970 2017552 2521940 3152425 5043880 6304850 10087760 12609700 15762125 25219400 31524250 50438800 63048500 126097000 252194000