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29519997 = 313756923
BaseRepresentation
bin111000010011…
…1000001111101
32001112202211020
41300213001331
530024114442
62532414353
7505626063
oct160470175
961482736
1029519997
11157328a1
129a773b9
136167670
143cc6033
1528d19ec
hex1c2707d

29519997 has 8 divisors (see below), whose sum is σ = 42387744. Its totient is φ = 18166128.

The previous prime is 29519989. The next prime is 29520011. The reversal of 29519997 is 79991592.

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

It is not a de Polignac number, because 29519997 - 23 = 29519989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29519927) 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, 378423 + ... + 378500.

It is an arithmetic number, because the mean of its divisors is an integer number (5298468).

Almost surely, 229519997 is an apocalyptic number.

It is an amenable number.

29519997 is a deficient number, since it is larger than the sum of its proper divisors (12867747).

29519997 is a wasteful number, since it uses less digits than its factorization.

29519997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756939.

The product of its digits is 459270, while the sum is 51.

The square root of 29519997 is about 5433.2308068036. The cubic root of 29519997 is about 309.0571316948.

It can be divided in two parts, 295199 and 97, that added together give a triangular number (295296 = T768).

The spelling of 29519997 in words is "twenty-nine million, five hundred nineteen thousand, nine hundred ninety-seven".

Divisors: 1 3 13 39 756923 2270769 9839999 29519997