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133079297 = 1389115021
BaseRepresentation
bin1111110111010…
…10000100000001
3100021102010110212
413323222010001
5233032014142
621112203505
73204104201
oct773520401
9307363425
10133079297
116913549a
1238699595
1321756260
1413962401
15ba3ad82
hex7eea101

133079297 has 8 divisors (see below), whose sum is σ = 144927720. Its totient is φ = 121461120.

The previous prime is 133079293. The next prime is 133079321. The reversal of 133079297 is 792970331.

It is a Cunningham number, because it is equal to 115362+1.

It can be written as a sum of positive squares in 4 ways, for example, as 19678096 + 113401201 = 4436^2 + 10649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133079297 - 22 = 133079293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133079291) 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 7 ways as a sum of consecutive naturals, for example, 56354 + ... + 58667.

It is an arithmetic number, because the mean of its divisors is an integer number (18115965).

Almost surely, 2133079297 is an apocalyptic number.

It is an amenable number.

133079297 is a deficient number, since it is larger than the sum of its proper divisors (11848423).

133079297 is a wasteful number, since it uses less digits than its factorization.

133079297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115123.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 133079297 is about 11536.0000433426. Note that the first 4 decimals coincide. The cubic root of 133079297 is about 510.5482979243.

The spelling of 133079297 in words is "one hundred thirty-three million, seventy-nine thousand, two hundred ninety-seven".

Divisors: 1 13 89 1157 115021 1495273 10236869 133079297