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47257270 = 254725727
BaseRepresentation
bin1011010001000…
…1011010110110
310021220220210021
42310101122312
544044213040
64404515354
71112452204
oct264213266
9107826707
1047257270
11247480a5
12139abb5a
139a37ba8
1463c2074
15423724a
hex2d116b6

47257270 has 8 divisors (see below), whose sum is σ = 85063104. Its totient is φ = 18902904.

The previous prime is 47257241. The next prime is 47257271. The reversal of 47257270 is 7275274.

47257270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47257271) 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, 2362854 + ... + 2362873.

It is an arithmetic number, because the mean of its divisors is an integer number (10632888).

Almost surely, 247257270 is an apocalyptic number.

47257270 is a deficient number, since it is larger than the sum of its proper divisors (37805834).

47257270 is a wasteful number, since it uses less digits than its factorization.

47257270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725734.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 47257270 is about 6874.3923367815. The cubic root of 47257270 is about 361.5398801932.

The spelling of 47257270 in words is "forty-seven million, two hundred fifty-seven thousand, two hundred seventy".

Divisors: 1 2 5 10 4725727 9451454 23628635 47257270