Search a number
-
+
147067643 = 503292381
BaseRepresentation
bin10001100010000…
…01001011111011
3101020201210212202
420301001023323
5300122131033
622332100415
73434024432
oct1061011373
9336653782
10147067643
117601a108
124130470b
1324613298
1415764119
15cda08e8
hex8c412fb

147067643 has 4 divisors (see below), whose sum is σ = 147360528. Its totient is φ = 146774760.

The previous prime is 147067621. The next prime is 147067649. The reversal of 147067643 is 346760741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346760741 = 973574853.

It is a cyclic number.

It is not a de Polignac number, because 147067643 - 212 = 147063547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147067597 and 147067606.

It is not an unprimeable number, because it can be changed into a prime (147067649) 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 3 ways as a sum of consecutive naturals, for example, 145688 + ... + 146693.

It is an arithmetic number, because the mean of its divisors is an integer number (36840132).

Almost surely, 2147067643 is an apocalyptic number.

147067643 is a deficient number, since it is larger than the sum of its proper divisors (292885).

147067643 is an equidigital number, since it uses as much as digits as its factorization.

147067643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292884.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 147067643 is about 12127.1448824528. The cubic root of 147067643 is about 527.8441475939.

The spelling of 147067643 in words is "one hundred forty-seven million, sixty-seven thousand, six hundred forty-three".

Divisors: 1 503 292381 147067643