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29120051 = 191152461
BaseRepresentation
bin110111100010…
…1011000110011
32000210110012102
41233011120303
524423320201
62520051015
7502342052
oct157053063
960713172
1029120051
111548a364
129903a6b
1360575cc
143c20399
15285326b
hex1bc5633

29120051 has 4 divisors (see below), whose sum is σ = 29272704. Its totient is φ = 28967400.

The previous prime is 29120041. The next prime is 29120059. The reversal of 29120051 is 15002192.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29120051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29120059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76040 + ... + 76421.

It is an arithmetic number, because the mean of its divisors is an integer number (7318176).

Almost surely, 229120051 is an apocalyptic number.

29120051 is a deficient number, since it is larger than the sum of its proper divisors (152653).

29120051 is a wasteful number, since it uses less digits than its factorization.

29120051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152652.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 29120051 is about 5396.2997507551. The cubic root of 29120051 is about 307.6550468453.

The spelling of 29120051 in words is "twenty-nine million, one hundred twenty thousand, fifty-one".

Divisors: 1 191 152461 29120051