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1240412030 = 2511132114111
BaseRepresentation
bin100100111101111…
…0010111101111110
310012110001110102022
41021323302331332
510020021141110
6323030200142
742511220414
oct11173627576
93173043368
101240412030
115871a8a10
122a74b3052
13169ca3720
14baa4d2b4
1573d6e755
hex49ef2f7e

1240412030 has 64 divisors (see below), whose sum is σ = 2636153856. Its totient is φ = 414288000.

The previous prime is 1240412029. The next prime is 1240412051. The reversal of 1240412030 is 302140421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299675 + ... + 303785.

It is an arithmetic number, because the mean of its divisors is an integer number (41189904).

Almost surely, 21240412030 is an apocalyptic number.

1240412030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240412030 is an abundant number, since it is smaller than the sum of its proper divisors (1395741826).

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

1240412030 is a wasteful number, since it uses less digits than its factorization.

1240412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1240412030 is about 35219.4836702641. The cubic root of 1240412030 is about 1074.4560521941.

Adding to 1240412030 its reverse (302140421), we get a palindrome (1542552451).

The spelling of 1240412030 in words is "one billion, two hundred forty million, four hundred twelve thousand, thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 211 286 422 715 1055 1430 2110 2321 2743 4111 4642 5486 8222 11605 13715 20555 23210 27430 30173 41110 45221 53443 60346 90442 106886 150865 226105 267215 301730 452210 534430 587873 867421 1175746 1734842 2939365 4337105 5878730 8674210 9541631 11276473 19083262 22552946 47708155 56382365 95416310 112764730 124041203 248082406 620206015 1240412030