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47490343 = 169328051
BaseRepresentation
bin1011010100101…
…0010100100111
310022100202111121
42311022110213
544124142333
64413514411
71114442545
oct265122447
9108322447
1047490343
112489721a
1213aa2a07
139ab9cc4
146442d95
15428132d
hex2d4a527

47490343 has 4 divisors (see below), whose sum is σ = 47520088. Its totient is φ = 47460600.

The previous prime is 47490307. The next prime is 47490347. The reversal of 47490343 is 34309474.

47490343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47490343 - 213 = 47482151 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 = 47490299 and 47490308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47490347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (11880022).

Almost surely, 247490343 is an apocalyptic number.

47490343 is a deficient number, since it is larger than the sum of its proper divisors (29745).

47490343 is a wasteful number, since it uses less digits than its factorization.

47490343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29744.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 47490343 is about 6891.3237480182. The cubic root of 47490343 is about 362.1332776449.

The spelling of 47490343 in words is "forty-seven million, four hundred ninety thousand, three hundred forty-three".

Divisors: 1 1693 28051 47490343