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5238430129 = 15724612
BaseRepresentation
bin1001110000011110…
…00001100110110001
3111112002000211012201
410320033001212301
541212014231004
62223445423201
7243545631022
oct47017014661
914462024181
105238430129
112248a590a9
12102240ab01
1365637ccca
14379a08c49
15209d526a4
hex1383c19b1

5238430129 has 9 divisors (see below), whose sum is σ = 5283469281. Its totient is φ = 5193773520.

The previous prime is 5238430123. The next prime is 5238430177. The reversal of 5238430129 is 9210348325.

The square root of 5238430129 is 72377.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 782600625 + 4455829504 = 27975^2 + 66752^2 .

It is a de Polignac number, because none of the positive numbers 2k-5238430129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5238430123) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11362959 + ... + 11363419.

Almost surely, 25238430129 is an apocalyptic number.

5238430129 is the 72377-th square number.

5238430129 is the 36189-th centered octagonal number.

It is an amenable number.

5238430129 is a deficient number, since it is larger than the sum of its proper divisors (45039152).

5238430129 is an frugal number, since it uses more digits than its factorization.

5238430129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The cubic root of 5238430129 is about 1736.7356475405.

The spelling of 5238430129 in words is "five billion, two hundred thirty-eight million, four hundred thirty thousand, one hundred twenty-nine".

Divisors: 1 157 461 24649 72377 212521 11363189 33365797 5238430129