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47992416 = 2531633067
BaseRepresentation
bin1011011100010…
…0111001100000
310100022021012220
42313010321200
544241224131
64432351040
71121633403
oct267047140
9110267186
1047992416
11250aa45a
12140a5480
139c346a4
146533d3a
15432ee96
hex2dc4e60

47992416 has 48 divisors (see below), whose sum is σ = 126794304. Its totient is φ = 15894144.

The previous prime is 47992409. The next prime is 47992457. The reversal of 47992416 is 61429974.

It is a tau number, because it is divible by the number of its divisors (48).

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, 14115 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (2641548).

Almost surely, 247992416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47992416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63397152).

47992416 is an abundant number, since it is smaller than the sum of its proper divisors (78801888).

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

47992416 is a wasteful number, since it uses less digits than its factorization.

47992416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243 (or 3235 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 47992416 is about 6927.6558805992. The cubic root of 47992416 is about 363.4049772214.

The spelling of 47992416 in words is "forty-seven million, nine hundred ninety-two thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 163 326 489 652 978 1304 1956 2608 3067 3912 5216 6134 7824 9201 12268 15648 18402 24536 36804 49072 73608 98144 147216 294432 499921 999842 1499763 1999684 2999526 3999368 5999052 7998736 11998104 15997472 23996208 47992416