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2558414381 = 89157277661
BaseRepresentation
bin1001100001111110…
…0100111000101101
320121022002220202012
42120133210320231
520214423230011
61101511411005
7120254110025
oct23037447055
96538086665
102558414381
1110a3181656
125b4983a65
1331a072783
141a3ad8a85
15ee918a8b
hex987e4e2d

2558414381 has 16 divisors (see below), whose sum is σ = 2616991920. Its totient is φ = 2500692480.

The previous prime is 2558414351. The next prime is 2558414389. The reversal of 2558414381 is 1834148552.

It can be written as a sum of positive squares in 8 ways, for example, as 214886281 + 2343528100 = 14659^2 + 48410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558414381 - 214 = 2558397997 is a prime.

It is a super-2 number, since 2×25584143812 = 13090968289815226322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558414389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3870191 + ... + 3870851.

It is an arithmetic number, because the mean of its divisors is an integer number (163561995).

Almost surely, 22558414381 is an apocalyptic number.

It is an amenable number.

2558414381 is a deficient number, since it is larger than the sum of its proper divisors (58577539).

2558414381 is a wasteful number, since it uses less digits than its factorization.

2558414381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its digits is 153600, while the sum is 41.

The square root of 2558414381 is about 50580.7708620578. The cubic root of 2558414381 is about 1367.6982645981.

The spelling of 2558414381 in words is "two billion, five hundred fifty-eight million, four hundred fourteen thousand, three hundred eighty-one".

Divisors: 1 89 157 277 661 13973 24653 43489 58829 103777 183097 3870521 9236153 16295633 28746229 2558414381