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29112145 = 515233823
BaseRepresentation
bin110111100001…
…1011101010001
32000210001100121
41233003131101
524423042040
62515550241
7502310026
oct157033521
960701317
1029112145
1115484427
1298bb381
136053b2a
143c1b54d
152850c4a
hex1bc3751

29112145 has 8 divisors (see below), whose sum is σ = 34966656. Its totient is φ = 23268336.

The previous prime is 29112137. The next prime is 29112151. The reversal of 29112145 is 54121192.

It is a happy number.

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 29112145 - 23 = 29112137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5704 + ... + 9526.

It is an arithmetic number, because the mean of its divisors is an integer number (4370832).

Almost surely, 229112145 is an apocalyptic number.

It is an amenable number.

29112145 is a deficient number, since it is larger than the sum of its proper divisors (5854511).

29112145 is a wasteful number, since it uses less digits than its factorization.

29112145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351.

The product of its digits is 720, while the sum is 25.

The square root of 29112145 is about 5395.5671620322. The cubic root of 29112145 is about 307.6272018740.

The spelling of 29112145 in words is "twenty-nine million, one hundred twelve thousand, one hundred forty-five".

Divisors: 1 5 1523 3823 7615 19115 5822429 29112145