Search a number
-
+
54748534280 = 23511124428487
BaseRepresentation
bin110010111111010001…
…000101011000001000
312020022112000201001212
4302333101011120020
51344111111044110
641052351032252
73645501602006
oct627721053010
9166275021055
1054748534280
1121245136150
12a73b20b688
135216794a1b
142915253a76
1516566c7e05
hexcbf445608

54748534280 has 32 divisors (see below), whose sum is σ = 134382767040. Its totient is φ = 19908557760.

The previous prime is 54748534231. The next prime is 54748534283. The reversal of 54748534280 is 8243584745.

It is not an unprimeable number, because it can be changed into a prime (54748534283) 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, 62213804 + ... + 62214683.

It is an arithmetic number, because the mean of its divisors is an integer number (4199461470).

Almost surely, 254748534280 is an apocalyptic number.

It is an amenable number.

54748534280 is an abundant number, since it is smaller than the sum of its proper divisors (79634232760).

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

54748534280 is a wasteful number, since it uses less digits than its factorization.

54748534280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124428509 (or 124428505 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 54748534280 in words is "fifty-four billion, seven hundred forty-eight million, five hundred thirty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 124428487 248856974 497713948 622142435 995427896 1244284870 1368713357 2488569740 2737426714 4977139480 5474853428 6843566785 10949706856 13687133570 27374267140 54748534280