Search a number
-
+
4531947984 = 243238638147
BaseRepresentation
bin1000011100010000…
…00000100111010000
3102200211122210220100
410032020000213100
533240134313414
62025411212400
7220206631224
oct41610004720
912624583810
104531947984
111a16191663
12a658a7100
13572bb1335
1430dc64784
151b7cee609
hex10e2009d0

4531947984 has 60 divisors (see below), whose sum is σ = 12688000416. Its totient is φ = 1510072896.

The previous prime is 4531947983. The next prime is 4531948007. The reversal of 4531947984 is 4897491354.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4531947984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531947983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552199 + ... + 560345.

Almost surely, 24531947984 is an apocalyptic number.

It is an amenable number.

4531947984 is an abundant number, since it is smaller than the sum of its proper divisors (8156052432).

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

4531947984 is a wasteful number, since it uses less digits than its factorization.

4531947984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12024 (or 12015 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 4531947984 is about 67319.7443845414. The cubic root of 4531947984 is about 1654.8614487141.

The spelling of 4531947984 in words is "four billion, five hundred thirty-one million, nine hundred forty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3863 7726 8147 11589 15452 16294 23178 24441 30904 32588 34767 46356 48882 61808 65176 69534 73323 92712 97764 130352 139068 146646 185424 195528 278136 293292 391056 556272 586584 1173168 31471861 62943722 94415583 125887444 188831166 251774888 283246749 377662332 503549776 566493498 755324664 1132986996 1510649328 2265973992 4531947984