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47989616 = 2473181227
BaseRepresentation
bin1011011100010…
…0001101110000
310100022010101012
42313010031300
544241131431
64432330052
71121622263
oct267041560
9110263335
1047989616
11250a8344
12140a3928
139c3332c
146532cda
15432e22b
hex2dc4370

47989616 has 40 divisors (see below), whose sum is σ = 95191824. Its totient is φ = 23431680.

The previous prime is 47989609. The next prime is 47989619. The reversal of 47989616 is 61698974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47989619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211295 + ... + 211521.

Almost surely, 247989616 is an apocalyptic number.

It is an amenable number.

47989616 is a deficient number, since it is larger than the sum of its proper divisors (47202208).

47989616 is a wasteful number, since it uses less digits than its factorization.

47989616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 47989616 is about 6927.4537890916. The cubic root of 47989616 is about 363.3979097594.

The spelling of 47989616 in words is "forty-seven million, nine hundred eighty-nine thousand, six hundred sixteen".

Divisors: 1 2 4 8 16 73 146 181 227 292 362 454 584 724 908 1168 1448 1816 2896 3632 13213 16571 26426 33142 41087 52852 66284 82174 105704 132568 164348 211408 265136 328696 657392 2999351 5998702 11997404 23994808 47989616