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47135284 = 2271683403
BaseRepresentation
bin1011001111001…
…1101000110100
310021200201110021
42303303220310
544031312114
64402134524
71111433440
oct263635064
9107621407
1047135284
1124674489
1213951444
1399c4501
14638d820
154211024
hex2cf3a34

47135284 has 12 divisors (see below), whose sum is σ = 94270624. Its totient is φ = 20200824.

The previous prime is 47135251. The next prime is 47135293. The reversal of 47135284 is 48253174.

47135284 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841674 + ... + 841729.

Almost surely, 247135284 is an apocalyptic number.

It is an amenable number.

47135284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47135284 is a wasteful number, since it uses less digits than its factorization.

47135284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683414 (or 1683412 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 47135284 is about 6865.5141103926. The cubic root of 47135284 is about 361.2285291135.

The spelling of 47135284 in words is "forty-seven million, one hundred thirty-five thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 1683403 3366806 6733612 11783821 23567642 47135284