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47138046 = 2346716823
BaseRepresentation
bin1011001111010…
…0010011111110
310021200212020120
42303310103332
544031404141
64402155410
71111444464
oct263642376
9107625216
1047138046
112467656a
1213952b66
1399c5847
146390834
154211c66
hex2cf44fe

47138046 has 16 divisors (see below), whose sum is σ = 94483584. Its totient is φ = 15678104.

The previous prime is 47138009. The next prime is 47138057. The reversal of 47138046 is 64083174.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47137998 and 47138016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5610 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (5905224).

Almost surely, 247138046 is an apocalyptic number.

47138046 is an abundant number, since it is smaller than the sum of its proper divisors (47345538).

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

47138046 is a wasteful number, since it uses less digits than its factorization.

47138046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17295.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 47138046 is about 6865.7152577135. The cubic root of 47138046 is about 361.2355846469.

The spelling of 47138046 in words is "forty-seven million, one hundred thirty-eight thousand, forty-six".

Divisors: 1 2 3 6 467 934 1401 2802 16823 33646 50469 100938 7856341 15712682 23569023 47138046