Search a number
-
+
100344111 = 3721937971
BaseRepresentation
bin1011111101100…
…10000100101111
320222211000020120
411332302010233
5201142002421
613542420023
72325624300
oct576620457
9228730216
10100344111
115170701a
1229731613
1317a3431a
14d4807a7
158c218c6
hex5fb212f

100344111 has 48 divisors (see below), whose sum is σ = 168428160. Its totient is φ = 52799040.

The previous prime is 100344103. The next prime is 100344157. The reversal of 100344111 is 111443001.

It is not a de Polignac number, because 100344111 - 23 = 100344103 is a prime.

It is a super-2 number, since 2×1003441112 = 20137881224760642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100344911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102856 + ... + 103826.

It is an arithmetic number, because the mean of its divisors is an integer number (3508920).

Almost surely, 2100344111 is an apocalyptic number.

100344111 is a deficient number, since it is larger than the sum of its proper divisors (68084049).

100344111 is a wasteful number, since it uses less digits than its factorization.

100344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 100344111 is about 10017.1907738647. The cubic root of 100344111 is about 464.6906810938.

Adding to 100344111 its reverse (111443001), we get a palindrome (211787112).

The spelling of 100344111 in words is "one hundred million, three hundred forty-four thousand, one hundred eleven".

Divisors: 1 3 7 19 21 37 49 57 111 133 147 259 399 703 777 931 971 1813 2109 2793 2913 4921 5439 6797 14763 18449 20391 34447 35927 47579 55347 103341 107781 129143 142737 251489 387429 682613 754467 904001 1760423 2047839 2712003 4778291 5281269 14334873 33448037 100344111