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5223406240 = 255132511253
BaseRepresentation
bin1001101110101011…
…01101101010100000
3111111000202112022101
410313111231222200
541144142444430
62222151420144
7243304135423
oct46725555240
914430675271
105223406240
112240527468
121019384654
1365321c830
14377a179ba
15208885dca
hex13756daa0

5223406240 has 48 divisors (see below), whose sum is σ = 13289556168. Its totient is φ = 1928641536.

The previous prime is 5223406219. The next prime is 5223406249. The reversal of 5223406240 is 426043225.

It can be written as a sum of positive squares in 4 ways, for example, as 2023920144 + 3199486096 = 44988^2 + 56564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5223406199 and 5223406208.

It is not an unprimeable number, because it can be changed into a prime (5223406249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253547 + ... + 1257706.

Almost surely, 25223406240 is an apocalyptic number.

It is an amenable number.

5223406240 is an abundant number, since it is smaller than the sum of its proper divisors (8066149928).

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

5223406240 is a wasteful number, since it uses less digits than its factorization.

5223406240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511281 (or 2511273 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 5223406240 is about 72273.1363647656. The cubic root of 5223406240 is about 1735.0737305577.

Adding to 5223406240 its reverse (426043225), we get a palindrome (5649449465).

The spelling of 5223406240 in words is "five billion, two hundred twenty-three million, four hundred six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 2511253 5022506 10045012 12556265 20090024 25112530 32646289 40180048 50225060 65292578 80360096 100450120 130585156 163231445 200900240 261170312 326462890 401800480 522340624 652925780 1044681248 1305851560 2611703120 5223406240