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133052371 = 363736583
BaseRepresentation
bin1111110111000…
…11011111010011
3100021100202112121
413323203133103
5233030133441
621111435111
73203632534
oct773433723
9307322477
10133052371
1169117241
1238685a97
1321746c1a
141395668b
15ba32dd1
hex7ee37d3

133052371 has 4 divisors (see below), whose sum is σ = 133092592. Its totient is φ = 133012152.

The previous prime is 133052369. The next prime is 133052389. The reversal of 133052371 is 173250331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173250331 = 1731001447.

It is a cyclic number.

It is not a de Polignac number, because 133052371 - 21 = 133052369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133052321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14655 + ... + 21928.

It is an arithmetic number, because the mean of its divisors is an integer number (33273148).

Almost surely, 2133052371 is an apocalyptic number.

133052371 is a deficient number, since it is larger than the sum of its proper divisors (40221).

133052371 is an equidigital number, since it uses as much as digits as its factorization.

133052371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40220.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133052371 is about 11534.8329420066. The cubic root of 133052371 is about 510.5138624385.

The spelling of 133052371 in words is "one hundred thirty-three million, fifty-two thousand, three hundred seventy-one".

Divisors: 1 3637 36583 133052371