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147070471 = 293501947
BaseRepresentation
bin10001100010000…
…01111000000111
3101020201221202111
420301001320013
5300122223341
622332121451
73434035612
oct1061017007
9336657674
10147070471
1176021249
1241306287
1324614662
1415765179
15cda1681
hex8c41e07

147070471 has 4 divisors (see below), whose sum is σ = 147572712. Its totient is φ = 146568232.

The previous prime is 147070447. The next prime is 147070493. The reversal of 147070471 is 174070741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147070471 - 29 = 147069959 is a prime.

It is a super-3 number, since 3×1470704713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147070411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250681 + ... + 251266.

It is an arithmetic number, because the mean of its divisors is an integer number (36893178).

Almost surely, 2147070471 is an apocalyptic number.

147070471 is a deficient number, since it is larger than the sum of its proper divisors (502241).

147070471 is an equidigital number, since it uses as much as digits as its factorization.

147070471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502240.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 147070471 is about 12127.2614798231. The cubic root of 147070471 is about 527.8475309207.

The spelling of 147070471 in words is "one hundred forty-seven million, seventy thousand, four hundred seventy-one".

Divisors: 1 293 501947 147070471