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1240233401 = 11297395261
BaseRepresentation
bin100100111101100…
…0111010110111001
310012102201101101102
41021323013112321
510014444432101
6323022301145
742506544551
oct11173072671
93172641342
101240233401
11587096790
122a74277b5
13169c40324
14baa04161
1573d3686b
hex49ec75b9

1240233401 has 16 divisors (see below), whose sum is σ = 1401796800. Its totient is φ = 1086926400.

The previous prime is 1240233383. The next prime is 1240233433. The reversal of 1240233401 is 1043320421.

It is a cyclic number.

It is not a de Polignac number, because 1240233401 - 222 = 1236039097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240239401) 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, 233111 + ... + 238371.

It is an arithmetic number, because the mean of its divisors is an integer number (87612300).

Almost surely, 21240233401 is an apocalyptic number.

1240233401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1240233401 is a deficient number, since it is larger than the sum of its proper divisors (161563399).

1240233401 is a wasteful number, since it uses less digits than its factorization.

1240233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1240233401 is about 35216.9476388855. The cubic root of 1240233401 is about 1074.4044730362.

Adding to 1240233401 its reverse (1043320421), we get a palindrome (2283553822).

The spelling of 1240233401 in words is "one billion, two hundred forty million, two hundred thirty-three thousand, four hundred one".

Divisors: 1 11 29 319 739 5261 8129 21431 57871 152569 235741 1678259 3887879 42766669 112748491 1240233401