Search a number
-
+
101431398 = 2316905233
BaseRepresentation
bin1100000101110…
…11100001100110
321001212020201110
412002323201212
5201431301043
614022005450
72341103235
oct602734146
9231766643
10101431398
1152289a02
1229b76886
13180251a3
14d684b1c
158d88b33
hex60bb866

101431398 has 8 divisors (see below), whose sum is σ = 202862808. Its totient is φ = 33810464.

The previous prime is 101431397. The next prime is 101431409. The reversal of 101431398 is 893134101.

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

101431398 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 (101431397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8452611 + ... + 8452622.

It is an arithmetic number, because the mean of its divisors is an integer number (25357851).

Almost surely, 2101431398 is an apocalyptic number.

101431398 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.

101431398 is a wasteful number, since it uses less digits than its factorization.

101431398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16905238.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 101431398 is about 10071.3156042297. The cubic root of 101431398 is about 466.3630534191.

Adding to 101431398 its reverse (893134101), we get a palindrome (994565499).

The spelling of 101431398 in words is "one hundred one million, four hundred thirty-one thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 16905233 33810466 50715699 101431398