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29980074 = 234996679
BaseRepresentation
bin111001001011…
…1010110101010
32002102010221010
41302113112222
530133330244
62550324350
7512553315
oct162272652
962363833
1029980074
1115a17523
12a0596b6
136298bb7
143da597c
152972eb9
hex1c975aa

29980074 has 8 divisors (see below), whose sum is σ = 59960160. Its totient is φ = 9993356.

The previous prime is 29980057. The next prime is 29980103. The reversal of 29980074 is 47008992.

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

29980074 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498334 + ... + 2498345.

It is an arithmetic number, because the mean of its divisors is an integer number (7495020).

Almost surely, 229980074 is an apocalyptic number.

29980074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29980074 is a wasteful number, since it uses less digits than its factorization.

29980074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996684.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 29980074 is about 5475.4062862951. The cubic root of 29980074 is about 310.6544412311.

The spelling of 29980074 in words is "twenty-nine million, nine hundred eighty thousand, seventy-four".

Divisors: 1 2 3 6 4996679 9993358 14990037 29980074