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2050550089 = 7264692
BaseRepresentation
bin111101000111000…
…1110100101001001
312021220110201220121
41322032032211021
513144420100324
6535250223241
7101546250100
oct17216164511
95256421817
102050550089
119625336a5
12492884b21
13268a95c63
14156497037
15c004a5e4
hex7a38e949

2050550089 has 9 divisors (see below), whose sum is σ = 2385702567. Its totient is φ = 1757342664.

The previous prime is 2050550063. The next prime is 2050550113. The reversal of 2050550089 is 9800550502.

The square root of 2050550089 is 45283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 105740089 + 1944810000 = 10283^2 + 44100^2 .

It is not a de Polignac number, because 2050550089 - 27 = 2050549961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050550189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 313747 + ... + 320215.

It is an arithmetic number, because the mean of its divisors is an integer number (265078063).

Almost surely, 22050550089 is an apocalyptic number.

2050550089 is the 45283-rd square number.

2050550089 is the 22642-nd centered octagonal number.

It is an amenable number.

2050550089 is a deficient number, since it is larger than the sum of its proper divisors (335152478).

2050550089 is an frugal number, since it uses more digits than its factorization.

2050550089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The cubic root of 2050550089 is about 1270.4477081084.

The spelling of 2050550089 in words is "two billion, fifty million, five hundred fifty thousand, eighty-nine".

Divisors: 1 7 49 6469 45283 316981 41847961 292935727 2050550089