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5202431440 = 24565030393
BaseRepresentation
bin1001101100001011…
…01100110111010000
3111102120021220021221
410312011230313100
541123310301230
62220122054424
7242630636413
oct46605546720
914376256257
105202431440
11222a700818
12101234a414
1364ba877cb
14374d17b7a
15206ae127a
hex13616cdd0

5202431440 has 20 divisors (see below), whose sum is σ = 12095653284. Its totient is φ = 2080972544.

The previous prime is 5202431431. The next prime is 5202431453. The reversal of 5202431440 is 441342025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2731943824 + 2470487616 = 52268^2 + 49704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32515117 + ... + 32515276.

Almost surely, 25202431440 is an apocalyptic number.

It is an amenable number.

5202431440 is an abundant number, since it is smaller than the sum of its proper divisors (6893221844).

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

5202431440 is a wasteful number, since it uses less digits than its factorization.

5202431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65030406 (or 65030400 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5202431440 is about 72127.8825420517. The cubic root of 5202431440 is about 1732.7481953252.

Adding to 5202431440 its reverse (441342025), we get a palindrome (5643773465).

The spelling of 5202431440 in words is "five billion, two hundred two million, four hundred thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 65030393 130060786 260121572 325151965 520243144 650303930 1040486288 1300607860 2601215720 5202431440