Search a number
-
+
100231244 = 22131191281
BaseRepresentation
bin1011111100101…
…10100001001100
320222121021102022
411332112201030
5201124344434
613540145312
72324644241
oct576264114
9228537368
10100231244
115163a243
1229698238
13179c4b39
14d4515c8
158bed22e
hex5f9684c

100231244 has 12 divisors (see below), whose sum is σ = 176744568. Its totient is φ = 49732800.

The previous prime is 100231231. The next prime is 100231249. The reversal of 100231244 is 442132001.

It is not an unprimeable number, because it can be changed into a prime (100231249) 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, 95117 + ... + 96164.

It is an arithmetic number, because the mean of its divisors is an integer number (14728714).

Almost surely, 2100231244 is an apocalyptic number.

It is an amenable number.

100231244 is a deficient number, since it is larger than the sum of its proper divisors (76513324).

100231244 is a wasteful number, since it uses less digits than its factorization.

100231244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191416 (or 191414 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100231244 is about 10011.5555234938. Note that the first 4 decimals coincide. The cubic root of 100231244 is about 464.5163877896.

Adding to 100231244 its reverse (442132001), we get a palindrome (542363245).

The spelling of 100231244 in words is "one hundred million, two hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 131 262 524 191281 382562 765124 25057811 50115622 100231244