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2820457950 = 235218803053
BaseRepresentation
bin1010100000011100…
…1100010111011110
321021120012002221120
42220013030113132
521234014123300
61143512111410
7126615332322
oct25007142736
97246162846
102820457950
111218090892
12668695566
1335c440c3b
141ca82b982
1511792b3a0
hexa81cc5de

2820457950 has 24 divisors (see below), whose sum is σ = 6994736088. Its totient is φ = 752122080.

The previous prime is 2820457931. The next prime is 2820457957. The reversal of 2820457950 is 597540282.

2820457950 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820457957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9401377 + ... + 9401676.

It is an arithmetic number, because the mean of its divisors is an integer number (291447337).

Almost surely, 22820457950 is an apocalyptic number.

2820457950 is an abundant number, since it is smaller than the sum of its proper divisors (4174278138).

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

2820457950 is a wasteful number, since it uses less digits than its factorization.

2820457950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18803068 (or 18803063 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2820457950 is about 53107.9838630690. The cubic root of 2820457950 is about 1412.8841172159.

The spelling of 2820457950 in words is "two billion, eight hundred twenty million, four hundred fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 18803053 37606106 56409159 94015265 112818318 188030530 282045795 470076325 564091590 940152650 1410228975 2820457950