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47044 = 2219619
BaseRepresentation
bin1011011111000100
32101112101
423133010
53001134
61001444
7254104
oct133704
971471
1047044
1132388
1223284
131854a
1413204
15de14
hexb7c4

47044 has 12 divisors (see below), whose sum is σ = 86800. Its totient is φ = 22248.

The previous prime is 47041. The next prime is 47051. The reversal of 47044 is 44074.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (47041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 385.

247044 is an apocalyptic number.

It is an amenable number.

47044 is a deficient number, since it is larger than the sum of its proper divisors (39756).

47044 is a wasteful number, since it uses less digits than its factorization.

47044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 47044 is about 216.8962885805. The cubic root of 47044 is about 36.0995188739.

The spelling of 47044 in words is "forty-seven thousand, forty-four", and thus it is an iban number.

Divisors: 1 2 4 19 38 76 619 1238 2476 11761 23522 47044