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2628538245 = 32558411961
BaseRepresentation
bin1001110010101100…
…0100111110000101
320210012001120121100
42130223010332011
520340401210440
61112454410313
7122065130544
oct23453047605
96705046540
102628538245
111129817763
12614360999
1332b755798
141ad15015b
15105b6b230
hex9cac4f85

2628538245 has 12 divisors (see below), whose sum is σ = 4556133036. Its totient is φ = 1401887040.

The previous prime is 2628538219. The next prime is 2628538273. The reversal of 2628538245 is 5428358262.

2628538245 is a `hidden beast` number, since 262 + 8 + 5 + 382 + 4 + 5 = 666.

2628538245 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 can be written as a sum of positive squares in 2 ways, for example, as 566106849 + 2062431396 = 23793^2 + 45414^2 .

It is not a de Polignac number, because 2628538245 - 225 = 2594983813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 58411961 = 2628538245 / (2 + 6 + 2 + 8 + 5 + 3 + 8 + 2 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2628538245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29205936 + ... + 29206025.

It is an arithmetic number, because the mean of its divisors is an integer number (379677753).

Almost surely, 22628538245 is an apocalyptic number.

It is an amenable number.

2628538245 is a deficient number, since it is larger than the sum of its proper divisors (1927594791).

2628538245 is a wasteful number, since it uses less digits than its factorization.

2628538245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58411972 (or 58411969 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 2628538245 is about 51269.2719374871. The cubic root of 2628538245 is about 1380.0816035550.

The spelling of 2628538245 in words is "two billion, six hundred twenty-eight million, five hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 58411961 175235883 292059805 525707649 876179415 2628538245