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2825916220 = 225141295811
BaseRepresentation
bin1010100001110000…
…0000111100111100
321021221110102021201
42220130000330330
521241413304340
61144225105244
7130012614541
oct25034007474
97257412251
102825916220
111220179756
1266a488224
1336060249a
141cb44cbc8
1511815879a
hexa8700f3c

2825916220 has 12 divisors (see below), whose sum is σ = 5934424104. Its totient is φ = 1130366480.

The previous prime is 2825916217. The next prime is 2825916251. The reversal of 2825916220 is 226195282.

It is a self number, because there is not a number n which added to its sum of digits gives 2825916220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70647886 + ... + 70647925.

It is an arithmetic number, because the mean of its divisors is an integer number (494535342).

Almost surely, 22825916220 is an apocalyptic number.

2825916220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2825916220 is an abundant number, since it is smaller than the sum of its proper divisors (3108507884).

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

2825916220 is a wasteful number, since it uses less digits than its factorization.

2825916220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141295820 (or 141295818 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2825916220 is about 53159.3474376802. The cubic root of 2825916220 is about 1413.7949543527.

The spelling of 2825916220 in words is "two billion, eight hundred twenty-five million, nine hundred sixteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 141295811 282591622 565183244 706479055 1412958110 2825916220