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47482725 = 3522272789
BaseRepresentation
bin1011010100100…
…0011101100101
310022100101001110
42311020131211
544123421400
64413415233
71114411413
oct265103545
9108311043
1047482725
1124891524
1213a9a519
139ab66b4
1464402b3
15427de50
hex2d48765

47482725 has 24 divisors (see below), whose sum is σ = 78878880. Its totient is φ = 25203520.

The previous prime is 47482711. The next prime is 47482727. The reversal of 47482725 is 52728474.

47482725 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 47482725 - 24 = 47482709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47482727) 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 23 ways as a sum of consecutive naturals, for example, 15631 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (3286620).

Almost surely, 247482725 is an apocalyptic number.

It is an amenable number.

47482725 is a deficient number, since it is larger than the sum of its proper divisors (31396155).

47482725 is a wasteful number, since it uses less digits than its factorization.

47482725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3024 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 47482725 is about 6890.7710018546. The cubic root of 47482725 is about 362.1139131548.

The spelling of 47482725 in words is "forty-seven million, four hundred eighty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 227 681 1135 2789 3405 5675 8367 13945 17025 41835 69725 209175 633103 1899309 3165515 9496545 15827575 47482725