Search a number
-
+
54507984 = 2431767997
BaseRepresentation
bin1100111111101…
…1100111010000
310210120021220020
43033323213100
5102423223414
65224143440
71231211256
oct317734720
9123507806
1054507984
112884a723
1216307b80
13b3a625b
14734c5d6
154bba7a9
hex33fb9d0

54507984 has 80 divisors (see below), whose sum is σ = 151472448. Its totient is φ = 16828416.

The previous prime is 54507977. The next prime is 54507989. The reversal of 54507984 is 48970545.

It is a super-2 number, since 2×545079842 = 5942240639488512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54507989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54174 + ... + 55170.

Almost surely, 254507984 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 54507984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75736224).

54507984 is an abundant number, since it is smaller than the sum of its proper divisors (96964464).

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

54507984 is a wasteful number, since it uses less digits than its factorization.

54507984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 54507984 is about 7382.9522550264. The cubic root of 54507984 is about 379.1578394972.

The spelling of 54507984 in words is "fifty-four million, five hundred seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 67 68 102 134 136 201 204 268 272 402 408 536 804 816 997 1072 1139 1608 1994 2278 2991 3216 3417 3988 4556 5982 6834 7976 9112 11964 13668 15952 16949 18224 23928 27336 33898 47856 50847 54672 66799 67796 101694 133598 135592 200397 203388 267196 271184 400794 406776 534392 801588 813552 1068784 1135583 1603176 2271166 3206352 3406749 4542332 6813498 9084664 13626996 18169328 27253992 54507984