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2920870550 = 252134493647
BaseRepresentation
bin1010111000011000…
…1111001010010110
321112120010121010202
42232012033022112
521440220324200
61201500220502
7132244663403
oct25606171226
97476117122
102920870550
111269834304
1269623a732
1337719a490
141d9cc92aa
151216631d5
hexae18f296

2920870550 has 24 divisors (see below), whose sum is σ = 5850729696. Its totient is φ = 1078475040.

The previous prime is 2920870531. The next prime is 2920870553. The reversal of 2920870550 is 550780292.

2920870550 is digitally balanced in base 2, because in such base 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 (2920870553) 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, 2246174 + ... + 2247473.

It is an arithmetic number, because the mean of its divisors is an integer number (243780404).

Almost surely, 22920870550 is an apocalyptic number.

2920870550 is an abundant number, since it is smaller than the sum of its proper divisors (2929859146).

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

2920870550 is a wasteful number, since it uses less digits than its factorization.

2920870550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493672 (or 4493667 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2920870550 is about 54045.0788694031. The cubic root of 2920870550 is about 1429.4559277974.

The spelling of 2920870550 in words is "two billion, nine hundred twenty million, eight hundred seventy thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 4493647 8987294 22468235 44936470 58417411 112341175 116834822 224682350 292087055 584174110 1460435275 2920870550