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47097213 = 367323327
BaseRepresentation
bin1011001110101…
…0010101111101
310021121210020020
42303222111331
544024102323
64401242353
71111214442
oct263522575
9107553206
1047097213
1124648919
12139333b9
1399b0097
14637d9c9
154204ae3
hex2cea57d

47097213 has 8 divisors (see below), whose sum is σ = 62892288. Its totient is φ = 31350144.

The previous prime is 47097187. The next prime is 47097217. The reversal of 47097213 is 31279074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47097213 - 212 = 47093117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47097217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9645 + ... + 13682.

It is an arithmetic number, because the mean of its divisors is an integer number (7861536).

Almost surely, 247097213 is an apocalyptic number.

It is an amenable number.

47097213 is a deficient number, since it is larger than the sum of its proper divisors (15795075).

47097213 is a wasteful number, since it uses less digits than its factorization.

47097213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 47097213 is about 6862.7409247326. The cubic root of 47097213 is about 361.1312485882.

The spelling of 47097213 in words is "forty-seven million, ninety-seven thousand, two hundred thirteen".

Divisors: 1 3 673 2019 23327 69981 15699071 47097213