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133006937 = 719000991
BaseRepresentation
bin1111110110110…
…00011001011001
3100021021110012212
413323120121121
5233022210222
621110444505
73203353220
oct773303131
9307243185
10133006937
1169096098
1238663735
132172c33b
1413943cb7
15ba246e2
hex7ed8659

133006937 has 4 divisors (see below), whose sum is σ = 152007936. Its totient is φ = 114005940.

The previous prime is 133006933. The next prime is 133006943. The reversal of 133006937 is 739600331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739600331 = 5771281803.

It is a cyclic number.

It is not a de Polignac number, because 133006937 - 22 = 133006933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133006931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9500489 + ... + 9500502.

It is an arithmetic number, because the mean of its divisors is an integer number (38001984).

Almost surely, 2133006937 is an apocalyptic number.

It is an amenable number.

133006937 is a deficient number, since it is larger than the sum of its proper divisors (19000999).

133006937 is an equidigital number, since it uses as much as digits as its factorization.

133006937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19000998.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 133006937 is about 11532.8633478421. The cubic root of 133006937 is about 510.4557466573.

The spelling of 133006937 in words is "one hundred thirty-three million, six thousand, nine hundred thirty-seven".

Divisors: 1 7 19000991 133006937