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253342000 = 2453197643
BaseRepresentation
bin11110001100110…
…11000100110000
3122122201002220001
433012123010300
51004323421000
641045555344
76164241262
oct1706330460
9578632801
10253342000
1112000665a
1270a15b54
1340642912
1425909b32
151739446a
hexf19b130

253342000 has 80 divisors (see below), whose sum is σ = 616648032. Its totient is φ = 100665600.

The previous prime is 253341983. The next prime is 253342043. The reversal of 253342000 is 243352.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393679 + ... + 394321.

Almost surely, 2253342000 is an apocalyptic number.

253342000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308324016).

253342000 is an abundant number, since it is smaller than the sum of its proper divisors (363306032).

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

253342000 is a wasteful number, since it uses less digits than its factorization.

253342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 253342000 is about 15916.7207677964. The cubic root of 253342000 is about 632.7552126670.

Adding to 253342000 its reverse (243352), we get a palindrome (253585352).

The spelling of 253342000 in words is "two hundred fifty-three million, three hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 197 200 250 394 400 500 643 788 985 1000 1286 1576 1970 2000 2572 3152 3215 3940 4925 5144 6430 7880 9850 10288 12860 15760 16075 19700 24625 25720 32150 39400 49250 51440 64300 78800 80375 98500 126671 128600 160750 197000 253342 257200 321500 394000 506684 633355 643000 1013368 1266710 1286000 2026736 2533420 3166775 5066840 6333550 10133680 12667100 15833875 25334200 31667750 50668400 63335500 126671000 253342000