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5161448328 = 233215060347
BaseRepresentation
bin1001100111010010…
…10111001110001000
3111022201011202000220
410303221113032020
541032312321303
62212055430040
7241622405211
oct46351271610
914281152026
105161448328
112209559583
121000685320
1364343864a
1436d6ca408
152031e8053
hex133a57388

5161448328 has 16 divisors (see below), whose sum is σ = 12903620880. Its totient is φ = 1720482768.

The previous prime is 5161448321. The next prime is 5161448329. The reversal of 5161448328 is 8238441615.

It is a happy number.

It is a super-2 number, since 2×51614483282 = 53281097685227991168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5161448328.

It is not an unprimeable number, because it can be changed into a prime (5161448321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107530150 + ... + 107530197.

It is an arithmetic number, because the mean of its divisors is an integer number (806476305).

Almost surely, 25161448328 is an apocalyptic number.

It is an amenable number.

5161448328 is an abundant number, since it is smaller than the sum of its proper divisors (7742172552).

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

5161448328 is a wasteful number, since it uses less digits than its factorization.

5161448328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215060356 (or 215060352 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 5161448328 is about 71843.2204734727. The cubic root of 5161448328 is about 1728.1861805354.

The spelling of 5161448328 in words is "five billion, one hundred sixty-one million, four hundred forty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 215060347 430120694 645181041 860241388 1290362082 1720482776 2580724164 5161448328