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1408857801 = 313231570633
BaseRepresentation
bin101001111111001…
…0111011011001001
310122012000101120120
41103332113123021
510341131422201
6351444413453
746625044101
oct12376273311
93565011516
101408857801
1166329979a
123339a7289
13195b60490
14d517a201
1583a44536
hex53f976c9

1408857801 has 16 divisors (see below), whose sum is σ = 2110932096. Its totient is φ = 829293696.

The previous prime is 1408857799. The next prime is 1408857811. The reversal of 1408857801 is 1087588041.

It is not a de Polignac number, because 1408857801 - 21 = 1408857799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1408857811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784420 + ... + 786213.

It is an arithmetic number, because the mean of its divisors is an integer number (131933256).

Almost surely, 21408857801 is an apocalyptic number.

It is an amenable number.

1408857801 is a deficient number, since it is larger than the sum of its proper divisors (702074295).

1408857801 is a wasteful number, since it uses less digits than its factorization.

1408857801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570672.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 1408857801 is about 37534.7545749270. The cubic root of 1408857801 is about 1121.0432989467.

The spelling of 1408857801 in words is "one billion, four hundred eight million, eight hundred fifty-seven thousand, eight hundred one".

Divisors: 1 3 13 23 39 69 299 897 1570633 4711899 20418229 36124559 61254687 108373677 469619267 1408857801