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1228059297 = 32136451033
BaseRepresentation
bin100100100110010…
…1011001010100001
310011120210212122200
41021030223022201
510003340344142
6321505323413
742301221543
oct11114531241
93146725580
101228059297
11580231143
122a3336569
1316756a00a
14b9155693
1572c2e64c
hex4932b2a1

1228059297 has 6 divisors (see below), whose sum is σ = 1773863442. Its totient is φ = 818706192.

The previous prime is 1228059269. The next prime is 1228059299. The reversal of 1228059297 is 7929508221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1162059921 + 65999376 = 34089^2 + 8124^2 .

It is not a de Polignac number, because 1228059297 - 26 = 1228059233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228059299) 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 5 ways as a sum of consecutive naturals, for example, 68225508 + ... + 68225525.

It is an arithmetic number, because the mean of its divisors is an integer number (295643907).

Almost surely, 21228059297 is an apocalyptic number.

It is an amenable number.

1228059297 is a deficient number, since it is larger than the sum of its proper divisors (545804145).

1228059297 is a wasteful number, since it uses less digits than its factorization.

1228059297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136451039 (or 136451036 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1228059297 is about 35043.6769902931. The cubic root of 1228059297 is about 1070.8774637693.

The spelling of 1228059297 in words is "one billion, two hundred twenty-eight million, fifty-nine thousand, two hundred ninety-seven".

Divisors: 1 3 9 136451033 409353099 1228059297