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30829423 is a prime number
BaseRepresentation
bin111010110011…
…0101101101111
32011000022000111
41311212231233
530343020143
63020440451
7523021462
oct165465557
964008014
1030829423
1116447669
12a3a9127
136505681
1441472d9
152a8e99d
hex1d66b6f

30829423 has 2 divisors, whose sum is σ = 30829424. Its totient is φ = 30829422.

The previous prime is 30829391. The next prime is 30829427. The reversal of 30829423 is 32492803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30829423 - 25 = 30829391 is a prime.

It is a super-3 number, since 3×308294233 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30829427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15414711 + 15414712.

It is an arithmetic number, because the mean of its divisors is an integer number (15414712).

Almost surely, 230829423 is an apocalyptic number.

30829423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30829423 is an equidigital number, since it uses as much as digits as its factorization.

30829423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30829423 is about 5552.4249657244. The cubic root of 30829423 is about 313.5608253107.

The spelling of 30829423 in words is "thirty million, eight hundred twenty-nine thousand, four hundred twenty-three".