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5238744005 = 511229298589
BaseRepresentation
bin1001110000100000…
…01110001111000101
3111112002121202202202
410320100032033011
541212104302010
62223500244245
7243551406065
oct47020161705
914462552682
105238744005
112249152a00
121022540685
1365645cb31
14379a8b3a5
15209db56a5
hex13840e3c5

5238744005 has 24 divisors (see below), whose sum is σ = 7148244600. Its totient is φ = 3678604160.

The previous prime is 5238744001. The next prime is 5238744013. The reversal of 5238744005 is 5004478325.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1120441729 + 4118302276 = 33473^2 + 64174^2 .

It is not a de Polignac number, because 5238744005 - 22 = 5238744001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5238744005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238744001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131750 + ... + 166839.

It is an arithmetic number, because the mean of its divisors is an integer number (297843525).

Almost surely, 25238744005 is an apocalyptic number.

5238744005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5238744005 is a deficient number, since it is larger than the sum of its proper divisors (1909500595).

5238744005 is a wasteful number, since it uses less digits than its factorization.

5238744005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298645 (or 298634 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 5238744005 is about 72379.1683082916. The cubic root of 5238744005 is about 1736.7703340615.

The spelling of 5238744005 in words is "five billion, two hundred thirty-eight million, seven hundred forty-four thousand, five".

Divisors: 1 5 11 29 55 121 145 319 605 1595 3509 17545 298589 1492945 3284479 8659081 16422395 36129269 43295405 95249891 180646345 476249455 1047748801 5238744005