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240040304 = 2472143217
BaseRepresentation
bin11100100111010…
…11100101110000
3121201200022101122
432103223211300
5442422242204
635452521412
75643210650
oct1623534560
9551608348
10240040304
11113550919
1268480268
133a9662aa
1423c46360
15161180be
hexe4eb970

240040304 has 20 divisors (see below), whose sum is σ = 531518064. Its totient is φ = 102874368.

The previous prime is 240040291. The next prime is 240040309. The reversal of 240040304 is 403040042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040309) 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, 1071497 + ... + 1071720.

Almost surely, 2240040304 is an apocalyptic number.

It is an amenable number.

240040304 is an abundant number, since it is smaller than the sum of its proper divisors (291477760).

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

240040304 is a wasteful number, since it uses less digits than its factorization.

240040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143232 (or 2143226 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 240040304 is about 15493.2341362286. The cubic root of 240040304 is about 621.4812864378.

Adding to 240040304 its reverse (403040042), we get a palindrome (643080346).

The spelling of 240040304 in words is "two hundred forty million, forty thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 2143217 4286434 8572868 15002519 17145736 30005038 34291472 60010076 120020152 240040304