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29070687 = 330013229
BaseRepresentation
bin110111011100…
…1010101011111
32000200221111010
41232321111133
524420230222
62515030303
7502045122
oct156712537
960627433
1029070687
1115456268
12989b393
13603acb9
143c0a3b9
15284380c
hex1bb955f

29070687 has 8 divisors (see below), whose sum is σ = 38785840. Its totient is φ = 19368000.

The previous prime is 29070683. The next prime is 29070707. The reversal of 29070687 is 78607092.

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

It is not a de Polignac number, because 29070687 - 22 = 29070683 is a prime.

It is a super-3 number, since 3×290706873 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29070683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7389 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (4848230).

Almost surely, 229070687 is an apocalyptic number.

29070687 is a deficient number, since it is larger than the sum of its proper divisors (9715153).

29070687 is a wasteful number, since it uses less digits than its factorization.

29070687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 29070687 is about 5391.7239358113. The cubic root of 29070687 is about 307.4811040011.

The spelling of 29070687 in words is "twenty-nine million, seventy thousand, six hundred eighty-seven".

Divisors: 1 3 3001 3229 9003 9687 9690229 29070687