Search a number
-
+
54143112 = 23331611193
BaseRepresentation
bin1100111010001…
…0100010001000
310202212202101110
43032202202020
5102330034422
65212250320
71225131432
oct316424210
9122782343
1054143112
1128620581
12161709a0
13b2a915a
147295652
154b4760c
hex33a2888

54143112 has 64 divisors (see below), whose sum is σ = 142133760. Its totient is φ = 17164800.

The previous prime is 54143101. The next prime is 54143123. The reversal of 54143112 is 21134145.

It is an interprime number because it is at equal distance from previous prime (54143101) and next prime (54143123).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44788 + ... + 45980.

It is an arithmetic number, because the mean of its divisors is an integer number (2220840).

Almost surely, 254143112 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 54143112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71066880).

54143112 is an abundant number, since it is smaller than the sum of its proper divisors (87990648).

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

54143112 is a wasteful number, since it uses less digits than its factorization.

54143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1290 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 54143112 is about 7358.2003234487. The cubic root of 54143112 is about 378.3099275025.

Adding to 54143112 its reverse (21134145), we get a palindrome (75277257).

The spelling of 54143112 in words is "fifty-four million, one hundred forty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 31 61 62 93 122 124 183 186 244 248 366 372 488 732 744 1193 1464 1891 2386 3579 3782 4772 5673 7158 7564 9544 11346 14316 15128 22692 28632 36983 45384 72773 73966 110949 145546 147932 218319 221898 291092 295864 436638 443796 582184 873276 887592 1746552 2255963 4511926 6767889 9023852 13535778 18047704 27071556 54143112