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30140103 = 371435243
BaseRepresentation
bin111001011111…
…0011011000111
32002201021110010
41302332123013
530203440403
62554001303
7514121010
oct162763307
962637403
1030140103
1116016784
12a116233
1363239a6
144008007
1529a5603
hex1cbe6c7

30140103 has 8 divisors (see below), whose sum is σ = 45927808. Its totient is φ = 17222904.

The previous prime is 30140101. The next prime is 30140129. The reversal of 30140103 is 30104103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30140103 - 21 = 30140101 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 (30140101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717601 + ... + 717642.

It is an arithmetic number, because the mean of its divisors is an integer number (5740976).

Almost surely, 230140103 is an apocalyptic number.

30140103 is a deficient number, since it is larger than the sum of its proper divisors (15787705).

30140103 is a wasteful number, since it uses less digits than its factorization.

30140103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435253.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30140103 is about 5490.0002732240. Note that the first 3 decimals coincide. The cubic root of 30140103 is about 311.2062024469.

Adding to 30140103 its reverse (30104103), we get a palindrome (60244206).

It can be divided in two parts, 301 and 40103, that added together give a palindrome (40404).

The spelling of 30140103 in words is "thirty million, one hundred forty thousand, one hundred three".

Divisors: 1 3 7 21 1435243 4305729 10046701 30140103