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47007941 = 172765173
BaseRepresentation
bin1011001101010…
…0100011000101
310021110020202212
42303110203011
544013223231
64355313205
71110363251
oct263244305
9107406685
1047007941
1124597842
12138ab805
13997b566
146359261
1541d842b
hex2cd48c5

47007941 has 4 divisors (see below), whose sum is σ = 49773132. Its totient is φ = 44242752.

The previous prime is 47007889. The next prime is 47007949. The reversal of 47007941 is 14970074.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37576900 + 9431041 = 6130^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 47007941 - 214 = 46991557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47007898 and 47007907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47007949) 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, 1382570 + ... + 1382603.

It is an arithmetic number, because the mean of its divisors is an integer number (12443283).

Almost surely, 247007941 is an apocalyptic number.

It is an amenable number.

47007941 is a deficient number, since it is larger than the sum of its proper divisors (2765191).

47007941 is a wasteful number, since it uses less digits than its factorization.

47007941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765190.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47007941 is about 6856.2337328886. The cubic root of 47007941 is about 360.9029314707.

The spelling of 47007941 in words is "forty-seven million, seven thousand, nine hundred forty-one".

Divisors: 1 17 2765173 47007941