Base | Representation |
---|---|
bin | 111001000010… |
… | …0011000101011 |
3 | 2002021012100112 |
4 | 1302010120223 |
5 | 30123334004 |
6 | 2544524535 |
7 | 512110643 |
oct | 162043053 |
9 | 62235315 |
10 | 29902379 |
11 | 15974111 |
12 | a02074b |
13 | 626c720 |
14 | 3d85523 |
15 | 2959e6e |
hex | 1c8462b |
29902379 has 8 divisors (see below), whose sum is σ = 32417952. Its totient is φ = 27417600.
The previous prime is 29902361. The next prime is 29902421. The reversal of 29902379 is 97320992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29902379 - 212 = 29898283 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29904379) 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 7 ways as a sum of consecutive naturals, for example, 5654 + ... + 9579.
It is an arithmetic number, because the mean of its divisors is an integer number (4052244).
Almost surely, 229902379 is an apocalyptic number.
29902379 is a deficient number, since it is larger than the sum of its proper divisors (2515573).
29902379 is a wasteful number, since it uses less digits than its factorization.
29902379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15397.
The product of its (nonzero) digits is 61236, while the sum is 41.
The square root of 29902379 is about 5468.3067763248. The cubic root of 29902379 is about 310.3858497542.
The spelling of 29902379 in words is "twenty-nine million, nine hundred two thousand, three hundred seventy-nine".
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