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30629899 = 214314293
BaseRepresentation
bin111010011011…
…0000000001011
32010122011022201
41310312000023
530320124044
63012301031
7521230666
oct164660013
963564281
1030629899
1116320773
12a311777
136465901
1440d46dd
152a507d4
hex1d3600b

30629899 has 4 divisors (see below), whose sum is σ = 30646336. Its totient is φ = 30613464.

The previous prime is 30629873. The next prime is 30629917. The reversal of 30629899 is 99892603.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30629899 - 211 = 30627851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30629299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (7661584).

Almost surely, 230629899 is an apocalyptic number.

30629899 is a deficient number, since it is larger than the sum of its proper divisors (16437).

30629899 is a wasteful number, since it uses less digits than its factorization.

30629899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16436.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 30629899 is about 5534.4285161162. The cubic root of 30629899 is about 312.8829191883.

The spelling of 30629899 in words is "thirty million, six hundred twenty-nine thousand, eight hundred ninety-nine".

Divisors: 1 2143 14293 30629899