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29121074 = 255726141
BaseRepresentation
bin110111100010…
…1101000110010
32000210111121022
41233011220302
524423333244
62520055442
7502345043
oct157055062
960714538
1029121074
1115490104
129904582
136057c08
143c208ca
1528536ee
hex1bc5a32

29121074 has 8 divisors (see below), whose sum is σ = 43761708. Its totient is φ = 14533840.

The previous prime is 29121047. The next prime is 29121077. The reversal of 29121074 is 47012192.

It can be written as a sum of positive squares in 2 ways, for example, as 28569025 + 552049 = 5345^2 + 743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (29121077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957 + ... + 14184.

Almost surely, 229121074 is an apocalyptic number.

29121074 is a deficient number, since it is larger than the sum of its proper divisors (14640634).

29121074 is a wasteful number, since it uses less digits than its factorization.

29121074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26700.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 29121074 is about 5396.3945370960. The cubic root of 29121074 is about 307.6586494882.

The spelling of 29121074 in words is "twenty-nine million, one hundred twenty-one thousand, seventy-four".

Divisors: 1 2 557 1114 26141 52282 14560537 29121074