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803230240 = 2555020189
BaseRepresentation
bin101111111000000…
…101001000100000
32001222102022202011
4233320011020200
53121111331430
6211412002304
725622226061
oct5770051040
92058368664
10803230240
1138244784a
121a5000394
13ca544287
147896a568
154a7b422a
hex2fe05220

803230240 has 24 divisors (see below), whose sum is σ = 1897631820. Its totient is φ = 321292032.

The previous prime is 803230231. The next prime is 803230247. The reversal of 803230240 is 42032308.

It can be written as a sum of positive squares in 2 ways, for example, as 753612304 + 49617936 = 27452^2 + 7044^2 .

It is not an unprimeable number, because it can be changed into a prime (803230247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509935 + ... + 2510254.

Almost surely, 2803230240 is an apocalyptic number.

803230240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

803230240 is an abundant number, since it is smaller than the sum of its proper divisors (1094401580).

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

803230240 is a wasteful number, since it uses less digits than its factorization.

803230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020204 (or 5020196 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 803230240 is about 28341.3168360258. The cubic root of 803230240 is about 929.5655426294.

Adding to 803230240 its reverse (42032308), we get a palindrome (845262548).

The spelling of 803230240 in words is "eight hundred three million, two hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 5020189 10040378 20080756 25100945 40161512 50201890 80323024 100403780 160646048 200807560 401615120 803230240