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30029319 = 331112197
BaseRepresentation
bin111001010001…
…1011000000111
32002111122111000
41302203120013
530141414234
62551344343
7513150015
oct162433007
962448430
1030029319
1115a50521
12a0820b3
1362b5438
143db98b5
152982899
hex1ca3607

30029319 has 8 divisors (see below), whose sum is σ = 44487920. Its totient is φ = 20019528.

The previous prime is 30029303. The next prime is 30029369. The reversal of 30029319 is 91392003.

It is not a de Polignac number, because 30029319 - 24 = 30029303 is a prime.

It is a super-2 number, since 2×300293192 = 1803519999207522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1112197 = 30029319 / (3 + 0 + 0 + 2 + 9 + 3 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30029292 and 30029301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30029369) 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, 556072 + ... + 556125.

It is an arithmetic number, because the mean of its divisors is an integer number (5560990).

Almost surely, 230029319 is an apocalyptic number.

30029319 is a deficient number, since it is larger than the sum of its proper divisors (14458601).

30029319 is a wasteful number, since it uses less digits than its factorization.

30029319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112206 (or 1112200 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 30029319 is about 5479.9013677255. The cubic root of 30029319 is about 310.8244409157.

It can be divided in two parts, 3002 and 9319, that added together give a palindrome (12321).

The spelling of 30029319 in words is "thirty million, twenty-nine thousand, three hundred nineteen".

Divisors: 1 3 9 27 1112197 3336591 10009773 30029319