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133468949 is a prime number
BaseRepresentation
bin1111111010010…
…01001100010101
3100022010220222102
413331021030111
5233132001244
621124411445
73210316205
oct775111425
9308126872
10133468949
1169381219
1238846b85
1321861713
1413a24405
15bab654e
hex7f49315

133468949 has 2 divisors, whose sum is σ = 133468950. Its totient is φ = 133468948.

The previous prime is 133468943. The next prime is 133468967. The reversal of 133468949 is 949864331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124166449 + 9302500 = 11143^2 + 3050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133468949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133468943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66734474 + 66734475.

It is an arithmetic number, because the mean of its divisors is an integer number (66734475).

Almost surely, 2133468949 is an apocalyptic number.

It is an amenable number.

133468949 is a deficient number, since it is larger than the sum of its proper divisors (1).

133468949 is an equidigital number, since it uses as much as digits as its factorization.

133468949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 133468949 is about 11552.8762219631. The cubic root of 133468949 is about 511.0461021795.

The spelling of 133468949 in words is "one hundred thirty-three million, four hundred sixty-eight thousand, nine hundred forty-nine".