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5147984 = 243197107
BaseRepresentation
bin10011101000110101010000
3100200112201002
4103220311100
52304213414
6302201132
761520462
oct23506520
910615632
105147984
1129a6836
1218831a8
1310b325a
14980132
156ba4de
hex4e8d50

5147984 has 40 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 2442240.

The previous prime is 5147981. The next prime is 5148007. The reversal of 5147984 is 4897415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147981) 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, 48059 + ... + 48165.

Almost surely, 25147984 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 5147984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

5147984 is an abundant number, since it is smaller than the sum of its proper divisors (5351344).

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

5147984 is a wasteful number, since it uses less digits than its factorization.

5147984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 5147984 is about 2268.9169222340. The cubic root of 5147984 is about 172.6682137045.

The spelling of 5147984 in words is "five million, one hundred forty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 31 62 97 107 124 194 214 248 388 428 496 776 856 1552 1712 3007 3317 6014 6634 10379 12028 13268 20758 24056 26536 41516 48112 53072 83032 166064 321749 643498 1286996 2573992 5147984