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47424123 = 35195161
BaseRepresentation
bin1011010011101…
…0001001111011
310022020101200000
42310322021323
544120032443
64412244043
71114045515
oct264721173
9108211600
1047424123
112485149a
1213a70623
139a95b16
146426bb5
15426b8d3
hex2d3a27b

47424123 has 12 divisors (see below), whose sum is σ = 71038968. Its totient is φ = 31615920.

The previous prime is 47424119. The next prime is 47424127. The reversal of 47424123 is 32142474.

It is an interprime number because it is at equal distance from previous prime (47424119) and next prime (47424127).

It is not a de Polignac number, because 47424123 - 22 = 47424119 is a prime.

It is a super-3 number, since 3×474241233 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47424127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97338 + ... + 97823.

It is an arithmetic number, because the mean of its divisors is an integer number (5919914).

Almost surely, 247424123 is an apocalyptic number.

47424123 is a deficient number, since it is larger than the sum of its proper divisors (23614845).

47424123 is an equidigital number, since it uses as much as digits as its factorization.

47424123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195176 (or 195164 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 47424123 is about 6886.5174798297. The cubic root of 47424123 is about 361.9648811611.

Adding to 47424123 its reverse (32142474), we get a palindrome (79566597).

The spelling of 47424123 in words is "forty-seven million, four hundred twenty-four thousand, one hundred twenty-three".

Divisors: 1 3 9 27 81 243 195161 585483 1756449 5269347 15808041 47424123