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1404002131 = 71969115277
BaseRepresentation
bin101001110101111…
…0101111101010011
310121211212200211221
41103223311331103
510333411032011
6351152345511
746535551450
oct12353657523
93554780757
101404002131
11660582644
12332245297
13194b502bc
14d4674827
15833d5971
hex53af5f53

1404002131 has 16 divisors (see below), whose sum is σ = 1691580160. Its totient is φ = 1138367520.

The previous prime is 1404002129. The next prime is 1404002147. The reversal of 1404002131 is 1312004041.

It is not a de Polignac number, because 1404002131 - 21 = 1404002129 is a prime.

It is a super-2 number, since 2×14040021312 = 3942443967705082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404002231) 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, 84265 + ... + 99541.

It is an arithmetic number, because the mean of its divisors is an integer number (105723760).

Almost surely, 21404002131 is an apocalyptic number.

1404002131 is a deficient number, since it is larger than the sum of its proper divisors (287578029).

1404002131 is a wasteful number, since it uses less digits than its factorization.

1404002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1404002131 is about 37470.0164264709. The cubic root of 1404002131 is about 1119.7539135678.

Adding to 1404002131 its reverse (1312004041), we get a palindrome (2716006172).

The spelling of 1404002131 in words is "one billion, four hundred four million, two thousand, one hundred thirty-one".

Divisors: 1 7 19 133 691 4837 13129 15277 91903 106939 290263 2031841 10556407 73894849 200571733 1404002131