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2103423040 = 2656573197
BaseRepresentation
bin111110101011111…
…1011000001000000
312102120221221222001
41331113323001000
513301434014130
6544415353344
7103060541455
oct17527730100
95376857861
102103423040
1198a366954
124a8522854
13276a18c24
1415d4db82c
15c49e16ca
hex7d5fb040

2103423040 has 28 divisors (see below), whose sum is σ = 5008776876. Its totient is φ = 841369088.

The previous prime is 2103423011. The next prime is 2103423053. The reversal of 2103423040 is 403243012.

It can be written as a sum of positive squares in 2 ways, for example, as 518746176 + 1584676864 = 22776^2 + 39808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103422999 and 2103423017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3286279 + ... + 3286918.

Almost surely, 22103423040 is an apocalyptic number.

2103423040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103423040 is an abundant number, since it is smaller than the sum of its proper divisors (2905353836).

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

2103423040 is an equidigital number, since it uses as much as digits as its factorization.

2103423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573214 (or 6573204 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2103423040 is about 45863.0901706372. The cubic root of 2103423040 is about 1281.2745767564.

Adding to 2103423040 its reverse (403243012), we get a palindrome (2506666052).

The spelling of 2103423040 in words is "two billion, one hundred three million, four hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 6573197 13146394 26292788 32865985 52585576 65731970 105171152 131463940 210342304 262927880 420684608 525855760 1051711520 2103423040