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2402424240 = 243510010101
BaseRepresentation
bin1000111100110010…
…0001010110110000
320012102120210111120
42033030201112300
514410010033430
61034220142240
7113351161206
oct21714412660
96172523446
102402424240
111023118987
12570697980
132c3957208
1418b0d1076
15e0da4610
hex8f3215b0

2402424240 has 40 divisors (see below), whose sum is σ = 7447515888. Its totient is φ = 640646400.

The previous prime is 2402424209. The next prime is 2402424247. The reversal of 2402424240 is 424242042.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2402424240.

It is not an unprimeable number, because it can be changed into a prime (2402424247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5004811 + ... + 5005290.

Almost surely, 22402424240 is an apocalyptic number.

2402424240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402424240 is an abundant number, since it is smaller than the sum of its proper divisors (5045091648).

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

2402424240 is a wasteful number, since it uses less digits than its factorization.

2402424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010117 (or 10010111 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2402424240 is about 49014.5309066607. The cubic root of 2402424240 is about 1339.3165446150.

Adding to 2402424240 its reverse (424242042), we get a palindrome (2826666282).

The spelling of 2402424240 in words is "two billion, four hundred two million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 10010101 20020202 30030303 40040404 50050505 60060606 80080808 100101010 120121212 150151515 160161616 200202020 240242424 300303030 400404040 480484848 600606060 800808080 1201212120 2402424240