Search a number
-
+
147471213 = 349157071
BaseRepresentation
bin10001100101000…
…11101101101101
3101021111022110210
420302203231231
5300223034323
622344453033
73440325141
oct1062435555
9337438423
10147471213
117627533a
124147a179
1324724b96
141582b221
15ce30293
hex8ca3b6d

147471213 has 4 divisors (see below), whose sum is σ = 196628288. Its totient is φ = 98314140.

The previous prime is 147471197. The next prime is 147471227. The reversal of 147471213 is 312174741.

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.

It is not a de Polignac number, because 147471213 - 24 = 147471197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147471013) 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, 24578533 + ... + 24578538.

It is an arithmetic number, because the mean of its divisors is an integer number (49157072).

Almost surely, 2147471213 is an apocalyptic number.

It is an amenable number.

147471213 is a deficient number, since it is larger than the sum of its proper divisors (49157075).

147471213 is an equidigital number, since it uses as much as digits as its factorization.

147471213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49157074.

The product of its digits is 4704, while the sum is 30.

The square root of 147471213 is about 12143.7726016259. The cubic root of 147471213 is about 528.3265276804.

The spelling of 147471213 in words is "one hundred forty-seven million, four hundred seventy-one thousand, two hundred thirteen".

Divisors: 1 3 49157071 147471213