Search a number
-
+
100434404 = 2273586943
BaseRepresentation
bin1011111110010…
…00000111100100
320222222121002202
411333020013210
5201202400104
613544354032
72326451450
oct577100744
9228877082
10100434404
1151768944
1229775918
1317a66455
14d4a5660
158c3d51e
hex5fc81e4

100434404 has 12 divisors (see below), whose sum is σ = 200868864. Its totient is φ = 43043304.

The previous prime is 100434403. The next prime is 100434409. The reversal of 100434404 is 404434001.

100434404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (100434403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793444 + ... + 1793499.

It is an arithmetic number, because the mean of its divisors is an integer number (16739072).

Almost surely, 2100434404 is an apocalyptic number.

100434404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100434404 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.

100434404 is a wasteful number, since it uses less digits than its factorization.

100434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586954 (or 3586952 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 100434404 is about 10021.6966627413. The cubic root of 100434404 is about 464.8300207334.

Adding to 100434404 its reverse (404434001), we get a palindrome (504868405).

The spelling of 100434404 in words is "one hundred million, four hundred thirty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 3586943 7173886 14347772 25108601 50217202 100434404