Search a number
-
+
101044405 = 57112311411
BaseRepresentation
bin1100000010111…
…01000010110101
321001010120212101
412001131002311
5201331410110
614005422101
72334602050
oct601350265
9231116771
10101044405
1152045180
1229a0a931
1317c1acb7
14d5c3a97
158d0e13a
hex605d0b5

101044405 has 32 divisors (see below), whose sum is σ = 157759488. Its totient is φ = 60244800.

The previous prime is 101044387. The next prime is 101044409. The reversal of 101044405 is 504440101.

It is not a de Polignac number, because 101044405 - 213 = 101036213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101044409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3150 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (4929984).

Almost surely, 2101044405 is an apocalyptic number.

It is an amenable number.

101044405 is a deficient number, since it is larger than the sum of its proper divisors (56715083).

101044405 is a wasteful number, since it uses less digits than its factorization.

101044405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 101044405 is about 10052.0846096718. The cubic root of 101044405 is about 465.7691897931.

Adding to 101044405 its reverse (504440101), we get a palindrome (605484506).

The spelling of 101044405 in words is "one hundred one million, forty-four thousand, four hundred five".

Divisors: 1 5 7 11 23 35 55 77 115 161 253 385 805 1265 1771 8855 11411 57055 79877 125521 262453 399385 627605 878647 1312265 1837171 2886983 4393235 9185855 14434915 20208881 101044405