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47294213 = 397119129
BaseRepresentation
bin1011010001101…
…0011100000101
310021222210110112
42310122130011
544101403323
64405402405
71112665001
oct264323405
9107883415
1047294213
112477292a
1213a09405
139a4b955
1463d1701
154243178
hex2d1a705

47294213 has 4 divisors (see below), whose sum is σ = 47413740. Its totient is φ = 47174688.

The previous prime is 47294207. The next prime is 47294263. The reversal of 47294213 is 31249274.

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 12802084 + 34492129 = 3578^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 47294213 - 214 = 47277829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47294213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47294263) 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, 59168 + ... + 59961.

It is an arithmetic number, because the mean of its divisors is an integer number (11853435).

Almost surely, 247294213 is an apocalyptic number.

It is an amenable number.

47294213 is a deficient number, since it is larger than the sum of its proper divisors (119527).

47294213 is a wasteful number, since it uses less digits than its factorization.

47294213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119526.

The product of its digits is 12096, while the sum is 32.

The square root of 47294213 is about 6877.0788129845. The cubic root of 47294213 is about 361.6340659759.

The spelling of 47294213 in words is "forty-seven million, two hundred ninety-four thousand, two hundred thirteen".

Divisors: 1 397 119129 47294213