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47673813 = 3111444661
BaseRepresentation
bin1011010111011…
…1000111010101
310022201002011210
42311313013111
544201030223
64421452033
71116135465
oct265670725
9108632153
1047673813
1124a02050
1213b71019
139b52675
14648dba5
1542ba893
hex2d771d5

47673813 has 8 divisors (see below), whose sum is σ = 69343776. Its totient is φ = 28893200.

The previous prime is 47673781. The next prime is 47673817. The reversal of 47673813 is 31837674.

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

It is a cyclic number.

It is not a de Polignac number, because 47673813 - 25 = 47673781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47673817) 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, 722298 + ... + 722363.

It is an arithmetic number, because the mean of its divisors is an integer number (8667972).

Almost surely, 247673813 is an apocalyptic number.

It is an amenable number.

47673813 is a deficient number, since it is larger than the sum of its proper divisors (21669963).

47673813 is a wasteful number, since it uses less digits than its factorization.

47673813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444675.

The product of its digits is 84672, while the sum is 39.

The square root of 47673813 is about 6904.6225820098. The cubic root of 47673813 is about 362.5990229676.

The spelling of 47673813 in words is "forty-seven million, six hundred seventy-three thousand, eight hundred thirteen".

Divisors: 1 3 11 33 1444661 4333983 15891271 47673813