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2528434980 = 223359748271
BaseRepresentation
bin1001011010110100…
…1101101100100100
320112012200210202000
42112231031230210
520134234404410
61054521045300
7116441225361
oct22655155444
96465623660
102528434980
111088265695
125a6926830
13313aa6c96
1419db33468
15ebe95dc0
hex96b4db24

2528434980 has 96 divisors (see below), whose sum is σ = 7947502080. Its totient is φ = 667284480.

The previous prime is 2528434967. The next prime is 2528434981. The reversal of 2528434980 is 894348252.

2528434980 is a `hidden beast` number, since 2 + 528 + 4 + 3 + 49 + 80 = 666.

2528434980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2528434981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28245 + ... + 76515.

It is an arithmetic number, because the mean of its divisors is an integer number (82786480).

Almost surely, 22528434980 is an apocalyptic number.

2528434980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528434980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3973751040).

2528434980 is an abundant number, since it is smaller than the sum of its proper divisors (5419067100).

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

2528434980 is a wasteful number, since it uses less digits than its factorization.

2528434980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48386 (or 48378 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2528434980 is about 50283.5458176927. The cubic root of 2528434980 is about 1362.3350492452.

The spelling of 2528434980 in words is "two billion, five hundred twenty-eight million, four hundred thirty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 97 108 135 180 194 270 291 388 485 540 582 873 970 1164 1455 1746 1940 2619 2910 3492 4365 5238 5820 8730 10476 13095 17460 26190 48271 52380 96542 144813 193084 241355 289626 434439 482710 579252 724065 868878 965420 1303317 1448130 1737756 2172195 2606634 2896260 4344390 4682287 5213268 6516585 8688780 9364574 13033170 14046861 18729148 23411435 26066340 28093722 42140583 46822870 56187444 70234305 84281166 93645740 126421749 140468610 168562332 210702915 252843498 280937220 421405830 505686996 632108745 842811660 1264217490 2528434980