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29422971 = 3217192307
BaseRepresentation
bin111000000111…
…1010101111011
32001100211201200
41300033111323
530013013341
62530345243
7505043154
oct160172573
961324650
1029422971
1115676a06
129a2b223
136132456
143c9c92b
1528b2db6
hex1c0f57b

29422971 has 12 divisors (see below), whose sum is σ = 45000072. Its totient is φ = 18461376.

The previous prime is 29422969. The next prime is 29423021. The reversal of 29422971 is 17922492.

It is not a de Polignac number, because 29422971 - 21 = 29422969 is a prime.

It is a super-2 number, since 2×294229712 = 1731422444933682, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (29422171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96001 + ... + 96306.

It is an arithmetic number, because the mean of its divisors is an integer number (3750006).

Almost surely, 229422971 is an apocalyptic number.

29422971 is a deficient number, since it is larger than the sum of its proper divisors (15577101).

29422971 is a wasteful number, since it uses less digits than its factorization.

29422971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192330 (or 192327 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 29422971 is about 5424.2945163404. The cubic root of 29422971 is about 308.7181581897.

The spelling of 29422971 in words is "twenty-nine million, four hundred twenty-two thousand, nine hundred seventy-one".

Divisors: 1 3 9 17 51 153 192307 576921 1730763 3269219 9807657 29422971