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29120351 = 132240027
BaseRepresentation
bin110111100010…
…1011101011111
32000210110121112
41233011131133
524423322401
62520052235
7502342661
oct157053537
960713545
1029120351
111548a607
12990407b
1360577a0
143c20531
1528533bb
hex1bc575f

29120351 has 4 divisors (see below), whose sum is σ = 31360392. Its totient is φ = 26880312.

The previous prime is 29120341. The next prime is 29120359. The reversal of 29120351 is 15302192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29120351 - 210 = 29119327 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 (29120359) 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 3 ways as a sum of consecutive naturals, for example, 1120001 + ... + 1120026.

It is an arithmetic number, because the mean of its divisors is an integer number (7840098).

Almost surely, 229120351 is an apocalyptic number.

29120351 is a deficient number, since it is larger than the sum of its proper divisors (2240041).

29120351 is a wasteful number, since it uses less digits than its factorization.

29120351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240040.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 29120351 is about 5396.3275475086. The cubic root of 29120351 is about 307.6561033476.

The spelling of 29120351 in words is "twenty-nine million, one hundred twenty thousand, three hundred fifty-one".

Divisors: 1 13 2240027 29120351