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2258457632 = 253122712
BaseRepresentation
bin1000011010011101…
…0101010000100000
312211101200112102222
42012213111100200
514111131121012
61012034330212
7106652400404
oct20647252040
95741615388
102258457632
11a59927712
12530429968
1329cb8b582
14175d37104
15d3417972
hex869d5420

2258457632 has 54 divisors (see below), whose sum is σ = 4611411567. Its totient is φ = 1088769600.

The previous prime is 2258457631. The next prime is 2258457647. The reversal of 2258457632 is 2367548522.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1129228816 + 1129228816 = 33604^2 + 33604^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=33604.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2258457631) 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, 8333657 + ... + 8333927.

Almost surely, 22258457632 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 2258457632

2258457632 is an abundant number, since it is smaller than the sum of its proper divisors (2352953935).

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

2258457632 is an frugal number, since it uses more digits than its factorization.

2258457632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 304 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 2258457632 is about 47523.2325499855. The cubic root of 2258457632 is about 1312.0105157297.

The spelling of 2258457632 in words is "two billion, two hundred fifty-eight million, four hundred fifty-seven thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 271 496 542 961 992 1084 1922 2168 3844 4336 7688 8401 8672 15376 16802 30752 33604 67208 73441 134416 146882 260431 268832 293764 520862 587528 1041724 1175056 2083448 2276671 2350112 4166896 4553342 8333792 9106684 18213368 36426736 70576801 72853472 141153602 282307204 564614408 1129228816 2258457632