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30006423 = 332933793
BaseRepresentation
bin111001001110…
…1110010010111
32002110111002000
41302131302113
530140201143
62551050343
7513023166
oct162356227
962414060
1030006423
1115a352a7
12a0709b3
1362a7ba5
143db13dd
15297abd3
hex1c9dc97

30006423 has 16 divisors (see below), whose sum is σ = 44617440. Its totient is φ = 19930752.

The previous prime is 30006413. The next prime is 30006433. The reversal of 30006423 is 32460003.

It is an interprime number because it is at equal distance from previous prime (30006413) and next prime (30006433).

It is not a de Polignac number, because 30006423 - 24 = 30006407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30006396 and 30006405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30006413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6015 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (2788590).

Almost surely, 230006423 is an apocalyptic number.

30006423 is a deficient number, since it is larger than the sum of its proper divisors (14611017).

30006423 is a wasteful number, since it uses less digits than its factorization.

30006423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30006423 is about 5477.8118806691. The cubic root of 30006423 is about 310.7454242956.

Adding to 30006423 its reverse (32460003), we get a palindrome (62466426).

The spelling of 30006423 in words is "thirty million, six thousand, four hundred twenty-three".

Divisors: 1 3 9 27 293 879 2637 3793 7911 11379 34137 102411 1111349 3334047 10002141 30006423