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2257354745 = 531143310163
BaseRepresentation
bin1000011010001100…
…0111111111111001
312211022121111120022
42012203013333321
514110340322440
61011554540225
7106640125112
oct20643077771
95738544508
102257354745
11a59244038
1252bb97675
1329c893589
14175b2b209
15d329acb5
hex868c7ff9

2257354745 has 16 divisors (see below), whose sum is σ = 2798433792. Its totient is φ = 1746238080.

The previous prime is 2257354727. The next prime is 2257354763. The reversal of 2257354745 is 5474537522.

It is an interprime number because it is at equal distance from previous prime (2257354727) and next prime (2257354763).

It is not a de Polignac number, because 2257354745 - 214 = 2257338361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2257354696 and 2257354705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217034 + ... + 227196.

It is an arithmetic number, because the mean of its divisors is an integer number (174902112).

Almost surely, 22257354745 is an apocalyptic number.

It is an amenable number.

2257354745 is a deficient number, since it is larger than the sum of its proper divisors (541079047).

2257354745 is a wasteful number, since it uses less digits than its factorization.

2257354745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632.

The product of its digits is 1176000, while the sum is 44.

The square root of 2257354745 is about 47511.6274715990. The cubic root of 2257354745 is about 1311.7969134722.

The spelling of 2257354745 in words is "two billion, two hundred fifty-seven million, three hundred fifty-four thousand, seven hundred forty-five".

Divisors: 1 5 31 155 1433 7165 10163 44423 50815 222115 315053 1575265 14563579 72817895 451470949 2257354745