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1240424103 = 37315233719
BaseRepresentation
bin100100111101111…
…0101111010100111
310012110002001222110
41021323311322213
510020022032403
6323030332103
742511300542
oct11173657247
93173061873
101240424103
11587206a96
122a74ba033
13169ca9079
14baa53859
1573d73103
hex49ef5ea7

1240424103 has 16 divisors (see below), whose sum is σ = 1678106880. Its totient is φ = 814866624.

The previous prime is 1240424089. The next prime is 1240424117. The reversal of 1240424103 is 3014240421.

It is an interprime number because it is at equal distance from previous prime (1240424089) and next prime (1240424117).

It is not a de Polignac number, because 1240424103 - 26 = 1240424039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240424103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240424153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331678 + ... + 335396.

It is an arithmetic number, because the mean of its divisors is an integer number (104881680).

Almost surely, 21240424103 is an apocalyptic number.

1240424103 is a deficient number, since it is larger than the sum of its proper divisors (437682777).

1240424103 is a wasteful number, since it uses less digits than its factorization.

1240424103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318.

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

The square root of 1240424103 is about 35219.6550664540. The cubic root of 1240424103 is about 1074.4595380965.

Adding to 1240424103 its reverse (3014240421), we get a palindrome (4254664524).

The spelling of 1240424103 in words is "one billion, two hundred forty million, four hundred twenty-four thousand, one hundred three".

Divisors: 1 3 73 219 1523 3719 4569 11157 111179 271487 333537 814461 5664037 16992111 413474701 1240424103