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281468097 = 32116326891
BaseRepresentation
bin10000110001101…
…101110011000001
3201121122001122100
4100301231303001
51034023434342
643532501013
76655303461
oct2061556301
9647561570
10281468097
11134977169
127a31a769
134640c991
142954bba1
1519a9ce4c
hex10c6dcc1

281468097 has 12 divisors (see below), whose sum is σ = 406929744. Its totient is φ = 187477080.

The previous prime is 281468087. The next prime is 281468111. The reversal of 281468097 is 790864182.

It is not a de Polignac number, because 281468097 - 28 = 281467841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (281468017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2979 + ... + 23912.

It is an arithmetic number, because the mean of its divisors is an integer number (33910812).

Almost surely, 2281468097 is an apocalyptic number.

It is an amenable number.

281468097 is a deficient number, since it is larger than the sum of its proper divisors (125461647).

281468097 is a wasteful number, since it uses less digits than its factorization.

281468097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28060 (or 28057 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 281468097 is about 16777.0109673923. The cubic root of 281468097 is about 655.3546605983.

The spelling of 281468097 in words is "two hundred eighty-one million, four hundred sixty-eight thousand, ninety-seven".

Divisors: 1 3 9 1163 3489 10467 26891 80673 242019 31274233 93822699 281468097