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30119403 = 310039801
BaseRepresentation
bin111001011100…
…1010111101011
32002200020001110
41302321113223
530202310103
62553321403
7514003446
oct162712753
962606043
1030119403
1116002176
12a106263
136317442
14400065d
15299e403
hex1cb95eb

30119403 has 4 divisors (see below), whose sum is σ = 40159208. Its totient is φ = 20079600.

The previous prime is 30119399. The next prime is 30119431. The reversal of 30119403 is 30491103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30491103 = 310163701.

It is not a de Polignac number, because 30119403 - 22 = 30119399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30119403.

It is not an unprimeable number, because it can be changed into a prime (30119483) 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, 5019898 + ... + 5019903.

It is an arithmetic number, because the mean of its divisors is an integer number (10039802).

Almost surely, 230119403 is an apocalyptic number.

30119403 is a deficient number, since it is larger than the sum of its proper divisors (10039805).

30119403 is a wasteful number, since it uses less digits than its factorization.

30119403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10039804.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 30119403 is about 5488.1147036118. The cubic root of 30119403 is about 311.1349414239.

The spelling of 30119403 in words is "thirty million, one hundred nineteen thousand, four hundred three".

Divisors: 1 3 10039801 30119403