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506638112 = 252321732
BaseRepresentation
bin11110001100101…
…010111100100000
31022022022212211112
4132030222330200
52014144404422
6122135002452
715361232021
oct3614527440
91268285745
10506638112
1123aa90792
12121809428
1380c6a686
144b402c48
152e729ee2
hex1e32af20

506638112 has 54 divisors (see below), whose sum is σ = 1048758417. Its totient is φ = 240904576.

The previous prime is 506638073. The next prime is 506638127. The reversal of 506638112 is 211836605.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 398561296 + 108076816 = 19964^2 + 10396^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=15916.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2928458 + ... + 2928630.

Almost surely, 2506638112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 506638112

506638112 is an abundant number, since it is smaller than the sum of its proper divisors (542120305).

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

506638112 is an equidigital number, since it uses as much as digits as its factorization.

506638112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 506638112 is about 22508.6230587302. The cubic root of 506638112 is about 797.1975442658.

Multiplying 506638112 by its sum of digits (32), we get a square (16212419584 = 1273282).

506638112 divided by its sum of digits (32) gives a square (15832441 = 39792).

The spelling of 506638112 in words is "five hundred six million, six hundred thirty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 92 173 184 346 368 529 692 736 1058 1384 2116 2768 3979 4232 5536 7958 8464 15916 16928 29929 31832 59858 63664 91517 119716 127328 183034 239432 366068 478864 688367 732136 957728 1376734 1464272 2753468 2928544 5506936 11013872 15832441 22027744 31664882 63329764 126659528 253319056 506638112