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29941997 = 1031491951
BaseRepresentation
bin111001000111…
…0000011101101
32002100012200212
41302032003231
530131120442
62545432205
7512334311
oct162160355
962305625
1029941997
11159a0958
12a03b665
136284777
143d95b41
152966a82
hex1c8e0ed

29941997 has 8 divisors (see below), whose sum is σ = 30451200. Its totient is φ = 29437200.

The previous prime is 29941993. The next prime is 29941999. The reversal of 29941997 is 79914992.

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 29941997 - 22 = 29941993 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 (29941993) 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 7 ways as a sum of consecutive naturals, for example, 14372 + ... + 16322.

It is an arithmetic number, because the mean of its divisors is an integer number (3806400).

Almost surely, 229941997 is an apocalyptic number.

It is an amenable number.

29941997 is a deficient number, since it is larger than the sum of its proper divisors (509203).

29941997 is a wasteful number, since it uses less digits than its factorization.

29941997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its digits is 367416, while the sum is 50.

The square root of 29941997 is about 5471.9280879778. The cubic root of 29941997 is about 310.5228671671.

The spelling of 29941997 in words is "twenty-nine million, nine hundred forty-one thousand, nine hundred ninety-seven".

Divisors: 1 103 149 1951 15347 200953 290699 29941997