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272488889 = 2311847343
BaseRepresentation
bin10000001111011…
…101100110111001
3200222201212111002
4100033131212321
51024224121024
643012214345
76516055151
oct2017354671
9628655432
10272488889
1112a8a3a32
127730a3b5
13445b793a
1428291761
1518dc76ae
hex103dd9b9

272488889 has 4 divisors (see below), whose sum is σ = 284336256. Its totient is φ = 260641524.

The previous prime is 272488883. The next prime is 272488913. The reversal of 272488889 is 988884272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272488889 - 24 = 272488873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272488883) 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, 5923649 + ... + 5923694.

It is an arithmetic number, because the mean of its divisors is an integer number (71084064).

Almost surely, 2272488889 is an apocalyptic number.

It is an amenable number.

272488889 is a deficient number, since it is larger than the sum of its proper divisors (11847367).

272488889 is a wasteful number, since it uses less digits than its factorization.

272488889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11847366.

The product of its digits is 4128768, while the sum is 56.

The square root of 272488889 is about 16507.2374733024. The cubic root of 272488889 is about 648.3103167785.

The spelling of 272488889 in words is "two hundred seventy-two million, four hundred eighty-eight thousand, eight hundred eighty-nine".

Divisors: 1 23 11847343 272488889