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1297534412 = 227326916519
BaseRepresentation
bin100110101010110…
…1100110111001100
310100102112120121002
41031111230313030
510124132100122
6332430355432
744103601106
oct11525546714
93312476532
101297534412
11606473899
1230265bb78
13178a83955
14c447c576
1578da4992
hex4d56cdcc

1297534412 has 24 divisors (see below), whose sum is σ = 2310487200. Its totient is φ = 637462656.

The previous prime is 1297534411. The next prime is 1297534429. The reversal of 1297534412 is 2144357921.

It is not an unprimeable number, because it can be changed into a prime (1297534411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70289 + ... + 86807.

It is an arithmetic number, because the mean of its divisors is an integer number (96270300).

Almost surely, 21297534412 is an apocalyptic number.

It is an amenable number.

1297534412 is a deficient number, since it is larger than the sum of its proper divisors (1012952788).

1297534412 is a wasteful number, since it uses less digits than its factorization.

1297534412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 16863 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 1297534412 is about 36021.3049735847. The cubic root of 1297534412 is about 1090.7024655742.

The spelling of 1297534412 in words is "one billion, two hundred ninety-seven million, five hundred thirty-four thousand, four hundred twelve".

Divisors: 1 2 4 73 146 269 292 538 1076 16519 19637 33038 39274 66076 78548 1205887 2411774 4443611 4823548 8887222 17774444 324383603 648767206 1297534412