Search a number
-
+
100145343 = 333381781
BaseRepresentation
bin1011111100000…
…01100010111111
320222102220120210
411332001202333
5201114122333
613534243503
72324135634
oct576014277
9228386523
10100145343
1151590751
1229656593
13179949cc
14d42c18b
158bd2a63
hex5f818bf

100145343 has 4 divisors (see below), whose sum is σ = 133527128. Its totient is φ = 66763560.

The previous prime is 100145341. The next prime is 100145401. The reversal of 100145343 is 343541001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100145343 - 21 = 100145341 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 (100145341) 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, 16690888 + ... + 16690893.

It is an arithmetic number, because the mean of its divisors is an integer number (33381782).

Almost surely, 2100145343 is an apocalyptic number.

100145343 is a deficient number, since it is larger than the sum of its proper divisors (33381785).

100145343 is an equidigital number, since it uses as much as digits as its factorization.

100145343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33381784.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 100145343 is about 10007.2645113437. The cubic root of 100145343 is about 464.3836486515.

Adding to 100145343 its reverse (343541001), we get a palindrome (443686344).

The spelling of 100145343 in words is "one hundred million, one hundred forty-five thousand, three hundred forty-three".

Divisors: 1 3 33381781 100145343