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47004957 = 3219327061
BaseRepresentation
bin1011001101001…
…1110100011101
310021110002200100
42303103310131
544013124312
64355251313
71110351456
oct263236435
9107402610
1047004957
112459557a
12138a9b39
13997a0ac
14635812d
1541d75dc
hex2cd3d1d

47004957 has 12 divisors (see below), whose sum is σ = 68250364. Its totient is φ = 31173120.

The previous prime is 47004931. The next prime is 47004973. The reversal of 47004957 is 75940074.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8328996 + 38675961 = 2886^2 + 6219^2 .

It is not a de Polignac number, because 47004957 - 210 = 47003933 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 (47004907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11794 + ... + 15267.

Almost surely, 247004957 is an apocalyptic number.

It is an amenable number.

47004957 is a deficient number, since it is larger than the sum of its proper divisors (21245407).

47004957 is a wasteful number, since it uses less digits than its factorization.

47004957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27260 (or 27257 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47004957 is about 6856.0161172506. The cubic root of 47004957 is about 360.8952947671.

It can be divided in two parts, 47004 and 957, that added together give a square (47961 = 2192).

The spelling of 47004957 in words is "forty-seven million, four thousand, nine hundred fifty-seven".

Divisors: 1 3 9 193 579 1737 27061 81183 243549 5222773 15668319 47004957