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272220849 = 3233789753
BaseRepresentation
bin10000001110011…
…100001010110001
3200222020020210200
4100032130022301
51024142031344
643002345413
76513560535
oct2016341261
9628206720
10272220849
1112a73060a
12771bb269
1344522934
1428221bc5
1518d73069
hex1039c2b1

272220849 has 12 divisors (see below), whose sum is σ = 394379076. Its totient is φ = 180940032.

The previous prime is 272220791. The next prime is 272220859. The reversal of 272220849 is 948022272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149010849 + 123210000 = 12207^2 + 11100^2 .

It is not a de Polignac number, because 272220849 - 224 = 255443633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272220859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41844 + ... + 47909.

It is an arithmetic number, because the mean of its divisors is an integer number (32864923).

Almost surely, 2272220849 is an apocalyptic number.

It is an amenable number.

272220849 is a deficient number, since it is larger than the sum of its proper divisors (122158227).

272220849 is a wasteful number, since it uses less digits than its factorization.

272220849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90096 (or 90093 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 272220849 is about 16499.1166127160. The cubic root of 272220849 is about 648.0976718914.

The spelling of 272220849 in words is "two hundred seventy-two million, two hundred twenty thousand, eight hundred forty-nine".

Divisors: 1 3 9 337 1011 3033 89753 269259 807777 30246761 90740283 272220849