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47076947 = 296724229
BaseRepresentation
bin1011001110010…
…1011001010011
310021120202102122
42303211121103
544022430242
64401004455
71111101401
oct263453123
9107522378
1047076947
1124634675
121392372b
1399a3aa8
146376471
1541edad2
hex2ce5653

47076947 has 8 divisors (see below), whose sum is σ = 49429200. Its totient is φ = 44773344.

The previous prime is 47076943. The next prime is 47076949. The reversal of 47076947 is 74967074.

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 47076947 - 22 = 47076943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47076898 and 47076907.

It is not an unprimeable number, because it can be changed into a prime (47076943) 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, 10172 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (6178650).

Almost surely, 247076947 is an apocalyptic number.

47076947 is the 3668-th centered heptagonal number.

47076947 is a deficient number, since it is larger than the sum of its proper divisors (2352253).

47076947 is a wasteful number, since it uses less digits than its factorization.

47076947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 47076947 is about 6861.2642421058. The cubic root of 47076947 is about 361.0794427210.

The spelling of 47076947 in words is "forty-seven million, seventy-six thousand, nine hundred forty-seven".

Divisors: 1 29 67 1943 24229 702641 1623343 47076947