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2258492890 = 25433952051
BaseRepresentation
bin1000011010011101…
…1101110111011010
312211101202022210211
42012213131313122
514111133233030
61012035201334
7106652605243
oct20647356732
95741668724
102258492890
11a59951155
1253044624a
1329cba1634
14175d45cca
15d342312a
hex869dddda

2258492890 has 16 divisors (see below), whose sum is σ = 4066302240. Its totient is φ = 903171600.

The previous prime is 2258492881. The next prime is 2258492947. The reversal of 2258492890 is 982948522.

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 7 ways as a sum of consecutive naturals, for example, 17365 + ... + 69415.

It is an arithmetic number, because the mean of its divisors is an integer number (254143890).

Almost surely, 22258492890 is an apocalyptic number.

2258492890 is a deficient number, since it is larger than the sum of its proper divisors (1807809350).

2258492890 is a wasteful number, since it uses less digits than its factorization.

2258492890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56397.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2258492890 is about 47523.6035039432. The cubic root of 2258492890 is about 1312.0173431954.

The spelling of 2258492890 in words is "two billion, two hundred fifty-eight million, four hundred ninety-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 4339 8678 21695 43390 52051 104102 260255 520510 225849289 451698578 1129246445 2258492890