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29465921 = 234131247
BaseRepresentation
bin111000001100…
…1110101000001
32001110000122102
41300121311001
530020402141
62531320145
7505312322
oct160316501
961400572
1029465921
11156a6201
129a50055
136148b74
143cb0449
1528c099b
hex1c19d41

29465921 has 8 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 27496480.

The previous prime is 29465899. The next prime is 29465929. The reversal of 29465921 is 12956492.

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-29465921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29465929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14681 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 229465921 is an apocalyptic number.

It is an amenable number.

29465921 is a deficient number, since it is larger than the sum of its proper divisors (2032063).

29465921 is a wasteful number, since it uses less digits than its factorization.

29465921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311.

The product of its digits is 38880, while the sum is 38.

The square root of 29465921 is about 5428.2521127892. The cubic root of 29465921 is about 308.8683016306.

The spelling of 29465921 in words is "twenty-nine million, four hundred sixty-five thousand, nine hundred twenty-one".

Divisors: 1 23 41 943 31247 718681 1281127 29465921