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29688101 = 231498663
BaseRepresentation
bin111000101000…
…0000100100101
32001212022102022
41301100010211
530100004401
62540152525
7510226142
oct161200445
961768368
1029688101
1115838123
129b38745
1361c6031
143d2b3c9
15291671b
hex1c50125

29688101 has 8 divisors (see below), whose sum is σ = 31190400. Its totient is φ = 28203472.

The previous prime is 29688073. The next prime is 29688119. The reversal of 29688101 is 10188692.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29688101 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 (29688301) 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, 905 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (3898800).

Almost surely, 229688101 is an apocalyptic number.

It is an amenable number.

29688101 is a deficient number, since it is larger than the sum of its proper divisors (1502299).

29688101 is a wasteful number, since it uses less digits than its factorization.

29688101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 29688101 is about 5448.6788306891. The cubic root of 29688101 is about 309.6426718698.

The spelling of 29688101 in words is "twenty-nine million, six hundred eighty-eight thousand, one hundred one".

Divisors: 1 23 149 3427 8663 199249 1290787 29688101