Search a number
-
+
72848860 = 2257520349
BaseRepresentation
bin1000101011110…
…01010111011100
312002002002211221
410111321113130
5122122130420
611121223124
71543130230
oct425712734
9162062757
1072848860
1138137477
1220491aa4
1312128446
1499645c0
1565decaa
hex45795dc

72848860 has 24 divisors (see below), whose sum is σ = 174837600. Its totient is φ = 24976704.

The previous prime is 72848857. The next prime is 72848861. The reversal of 72848860 is 6884827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72848861) 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, 260035 + ... + 260314.

It is an arithmetic number, because the mean of its divisors is an integer number (7284900).

Almost surely, 272848860 is an apocalyptic number.

72848860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72848860 is an abundant number, since it is smaller than the sum of its proper divisors (101988740).

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

72848860 is a wasteful number, since it uses less digits than its factorization.

72848860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520365 (or 520363 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 72848860 is about 8535.1543629861. The cubic root of 72848860 is about 417.6452886957.

The spelling of 72848860 in words is "seventy-two million, eight hundred forty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 520349 1040698 2081396 2601745 3642443 5203490 7284886 10406980 14569772 18212215 36424430 72848860