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30029699 = 721394409
BaseRepresentation
bin111001010001…
…1011110000011
32002111200000002
41302203132003
530141422244
62551350215
7513151100
oct162433603
962450002
1030029699
1115a50837
12a08236b
1362b566b
143db9aa7
152982a4e
hex1ca3783

30029699 has 12 divisors (see below), whose sum is σ = 35191800. Its totient is φ = 25548768.

The previous prime is 30029693. The next prime is 30029711. The reversal of 30029699 is 99692003.

It is not a de Polignac number, because 30029699 - 24 = 30029683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30029693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4607 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (2932650).

Almost surely, 230029699 is an apocalyptic number.

30029699 is a deficient number, since it is larger than the sum of its proper divisors (5162101).

30029699 is a wasteful number, since it uses less digits than its factorization.

30029699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 30029699 is about 5479.9360397727. The cubic root of 30029699 is about 310.8257519987.

The spelling of 30029699 in words is "thirty million, twenty-nine thousand, six hundred ninety-nine".

Divisors: 1 7 49 139 973 4409 6811 30863 216041 612851 4289957 30029699