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30914519 is a prime number
BaseRepresentation
bin111010111101…
…1011111010111
32011011121202012
41311323133113
530403231034
63022334435
7523524536
oct165733727
964147665
1030914519
11164a5599
12a42a41b
13653531c
14416a31d
152aa9cce
hex1d7b7d7

30914519 has 2 divisors, whose sum is σ = 30914520. Its totient is φ = 30914518.

The previous prime is 30914503. The next prime is 30914531. The reversal of 30914519 is 91541903.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30914519 - 24 = 30914503 is a prime.

It is a super-2 number, since 2×309145192 = 1911414970002722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30910519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15457259 + 15457260.

It is an arithmetic number, because the mean of its divisors is an integer number (15457260).

Almost surely, 230914519 is an apocalyptic number.

30914519 is a deficient number, since it is larger than the sum of its proper divisors (1).

30914519 is an equidigital number, since it uses as much as digits as its factorization.

30914519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 30914519 is about 5560.0826432707. The cubic root of 30914519 is about 313.8490592646.

The spelling of 30914519 in words is "thirty million, nine hundred fourteen thousand, five hundred nineteen".