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1240320414 = 23206720069
BaseRepresentation
bin100100111101101…
…1100100110011110
310012102212210202010
41021323130212132
510020010223124
6323024212050
742510356334
oct11173344636
93172783663
101240320414
115871460a3
122a746a026
13169c70b08
14baa27b54
1573d52529
hex49edc99e

1240320414 has 8 divisors (see below), whose sum is σ = 2480640840. Its totient is φ = 413440136.

The previous prime is 1240320413. The next prime is 1240320421. The reversal of 1240320414 is 4140230421.

It is a sphenic number, since it is the product of 3 distinct primes.

1240320414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240320413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103360029 + ... + 103360040.

It is an arithmetic number, because the mean of its divisors is an integer number (310080105).

Almost surely, 21240320414 is an apocalyptic number.

1240320414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240320414 is a wasteful number, since it uses less digits than its factorization.

1240320414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206720074.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1240320414 is about 35218.1830025344. The cubic root of 1240320414 is about 1074.4295986752.

Adding to 1240320414 its reverse (4140230421), we get a palindrome (5380550835).

The spelling of 1240320414 in words is "one billion, two hundred forty million, three hundred twenty thousand, four hundred fourteen".

Divisors: 1 2 3 6 206720069 413440138 620160207 1240320414