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47030949 = 35743643
BaseRepresentation
bin1011001101101…
…0001010100101
310021111102100000
42303122022211
544014442244
64400011513
71110520320
oct263321245
9107442300
1047030949
1124603059
1213900b99
139988b84
1463637b7
1541e0169
hex2cda2a5

47030949 has 48 divisors (see below), whose sum is σ = 82514432. Its totient is φ = 26209008.

The previous prime is 47030927. The next prime is 47030957. The reversal of 47030949 is 94903074.

47030949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47030949 - 25 = 47030917 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47030989) 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 47 ways as a sum of consecutive naturals, for example, 72822 + ... + 73464.

Almost surely, 247030949 is an apocalyptic number.

It is an amenable number.

47030949 is a deficient number, since it is larger than the sum of its proper divisors (35483483).

47030949 is an equidigital number, since it uses as much as digits as its factorization.

47030949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47030949 is about 6857.9114167507. The cubic root of 47030949 is about 360.9618030861.

The spelling of 47030949 in words is "forty-seven million, thirty thousand, nine hundred forty-nine".

Divisors: 1 3 7 9 21 27 43 63 81 129 189 243 301 387 567 643 903 1161 1701 1929 2709 3483 4501 5787 8127 10449 13503 17361 24381 27649 40509 52083 73143 82947 121527 156249 193543 248841 364581 580629 746523 1093743 1741887 2239569 5225661 6718707 15676983 47030949