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47534085 = 3253728549
BaseRepresentation
bin1011010101010…
…1000000000101
310022102222111200
42311111000011
544132042320
64414453113
71115014224
oct265250005
9108388450
1047534085
1124917075
1213b04199
139b03ba1
146454cbb
15428e290
hex2d55005

47534085 has 24 divisors (see below), whose sum is σ = 84622200. Its totient is φ = 24665472.

The previous prime is 47534083. The next prime is 47534087. The reversal of 47534085 is 58043574.

47534085 is a `hidden beast` number, since 47 + 534 + 0 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (47534083) and next prime (47534087).

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 40985604 = 2559^2 + 6402^2 .

It is not a de Polignac number, because 47534085 - 21 = 47534083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47534083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12610 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (3525925).

Almost surely, 247534085 is an apocalyptic number.

47534085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47534085 is a deficient number, since it is larger than the sum of its proper divisors (37088115).

47534085 is a wasteful number, since it uses less digits than its factorization.

47534085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597 (or 28594 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 47534085 is about 6894.4967183979. The cubic root of 47534085 is about 362.2444270697.

The spelling of 47534085 in words is "forty-seven million, five hundred thirty-four thousand, eighty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1665 28549 85647 142745 256941 428235 1056313 1284705 3168939 5281565 9506817 15844695 47534085