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29970199 = 711337889
BaseRepresentation
bin111001001010…
…0111100010111
32002101122101101
41302110330113
530133021244
62550210531
7512512450
oct162247427
962348341
1029970199
1115a10066
12a053a47
13629455c
143da2127
1529700d4
hex1c94f17

29970199 has 8 divisors (see below), whose sum is σ = 34555680. Its totient is φ = 25460736.

The previous prime is 29970197. The next prime is 29970203. The reversal of 29970199 is 99107992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29970199 - 21 = 29970197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29970191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18154 + ... + 19735.

It is an arithmetic number, because the mean of its divisors is an integer number (4319460).

Almost surely, 229970199 is an apocalyptic number.

29970199 is a deficient number, since it is larger than the sum of its proper divisors (4585481).

29970199 is a wasteful number, since it uses less digits than its factorization.

29970199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 29970199 is about 5474.5044524596. The cubic root of 29970199 is about 310.6203291350.

The spelling of 29970199 in words is "twenty-nine million, nine hundred seventy thousand, one hundred ninety-nine".

Divisors: 1 7 113 791 37889 265223 4281457 29970199