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2550458864 = 241723939233
BaseRepresentation
bin1001100000000100…
…1110100111110000
320120202010201211102
42120001032213300
520210404140424
61101025103532
7120126354062
oct23001164760
96522121742
102550458864
111099738548
125b2187ba8
13318518675
141a2a27732
15edd967ae
hex9804e9f0

2550458864 has 40 divisors (see below), whose sum is σ = 5254217280. Its totient is φ = 1195163648.

The previous prime is 2550458851. The next prime is 2550458893. The reversal of 2550458864 is 4688540552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45392 + ... + 84624.

It is an arithmetic number, because the mean of its divisors is an integer number (131355432).

Almost surely, 22550458864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550458864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627108640).

2550458864 is an abundant number, since it is smaller than the sum of its proper divisors (2703758416).

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

2550458864 is a wasteful number, since it uses less digits than its factorization.

2550458864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39497 (or 39491 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 47.

The square root of 2550458864 is about 50502.0679180566. The cubic root of 2550458864 is about 1366.2791506769.

The spelling of 2550458864 in words is "two billion, five hundred fifty million, four hundred fifty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 136 239 272 478 956 1912 3824 4063 8126 16252 32504 39233 65008 78466 156932 313864 627728 666961 1333922 2667844 5335688 9376687 10671376 18753374 37506748 75013496 150026992 159403679 318807358 637614716 1275229432 2550458864