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47542266 = 2322641237
BaseRepresentation
bin1011010101011…
…0111111111010
310022110101201200
42311112333322
544132323031
64414555030
71115050122
oct265267772
9108411650
1047542266
1124922232
1213b08a76
139b07825
146457c82
1542918e6
hex2d56ffa

47542266 has 12 divisors (see below), whose sum is σ = 103008282. Its totient is φ = 15847416.

The previous prime is 47542249. The next prime is 47542273. The reversal of 47542266 is 66224574.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 16573041 = 5565^2 + 4071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47542266.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1320601 + ... + 1320636.

Almost surely, 247542266 is an apocalyptic number.

47542266 is an abundant number, since it is smaller than the sum of its proper divisors (55466016).

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

47542266 is a wasteful number, since it uses less digits than its factorization.

47542266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641245 (or 2641242 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 47542266 is about 6895.0899921611. The cubic root of 47542266 is about 362.2652076083.

The spelling of 47542266 in words is "forty-seven million, five hundred forty-two thousand, two hundred sixty-six".

Divisors: 1 2 3 6 9 18 2641237 5282474 7923711 15847422 23771133 47542266