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30929899 = 711213532
BaseRepresentation
bin111010111111…
…1001111101011
32011012101211211
41311333033223
530404224044
63022533551
7523620430
oct165771753
964171754
1030929899
1116506100
12a4372b7
13653c320
144171b87
152aae634
hex1d7f3eb

30929899 has 36 divisors (see below), whose sum is σ = 42647248. Its totient is φ = 21827520.

The previous prime is 30929897. The next prime is 30929923. The reversal of 30929899 is 99892903.

It is not a de Polignac number, because 30929899 - 21 = 30929897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30929893) 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 in 35 ways as a sum of consecutive naturals, for example, 583557 + ... + 583609.

Almost surely, 230929899 is an apocalyptic number.

30929899 is a deficient number, since it is larger than the sum of its proper divisors (11717349).

30929899 is a wasteful number, since it uses less digits than its factorization.

30929899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 30929899 is about 5561.4655442608. The cubic root of 30929899 is about 313.9010973622.

It can be divided in two parts, 30 and 929899, that added together give a palindrome (929929).

The spelling of 30929899 in words is "thirty million, nine hundred twenty-nine thousand, eight hundred ninety-nine".

Divisors: 1 7 11 13 53 77 91 121 143 371 583 689 847 1001 1573 2809 4081 4823 6413 7579 11011 19663 30899 36517 44891 53053 83369 216293 255619 339889 401687 583583 2379223 2811809 4418557 30929899