Search a number
-
+
4998800072 = 237235712
BaseRepresentation
bin1001010011111001…
…11010001011001000
3110220101010100120102
410221330322023020
540214143100242
62144005344532
7234606046100
oct45174721310
913811110512
104998800072
112135768532
12b76108148
1361882b686
14355c6c200
151e3cbae32
hex129f3a2c8

4998800072 has 36 divisors (see below), whose sum is σ = 10906049115. Its totient is φ = 2141742960.

The previous prime is 4998800057. The next prime is 4998800083. The reversal of 4998800072 is 2700088994.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2499400036 + 2499400036 = 49994^2 + 49994^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=49994.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1398047 + ... + 1401617.

Almost surely, 24998800072 is an apocalyptic number.

It is an amenable number.

4998800072 is an abundant number, since it is smaller than the sum of its proper divisors (5907249043).

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

4998800072 is an frugal number, since it uses more digits than its factorization.

4998800072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 4998800072 is about 70702.1928372805. The cubic root of 4998800072 is about 1709.8391458649.

The spelling of 4998800072 in words is "four billion, nine hundred ninety-eight million, eight hundred thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 3571 7142 14284 24997 28568 49994 99988 174979 199976 349958 699916 1399832 12752041 25504082 51008164 89264287 102016328 178528574 357057148 624850009 714114296 1249700018 2499400036 4998800072