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29497973 is a prime number
BaseRepresentation
bin111000010000…
…1101001110101
32001111122121112
41300201221311
530022413343
62532124405
7505504631
oct160415165
961448545
1029497973
111571829a
129a66705
13615a62b
143cbbdc1
1528ca218
hex1c21a75

29497973 has 2 divisors, whose sum is σ = 29497974. Its totient is φ = 29497972.

The previous prime is 29497967. The next prime is 29497981. The reversal of 29497973 is 37979492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28976689 + 521284 = 5383^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 29497973 - 222 = 25303669 is a prime.

It is a super-2 number, since 2×294979732 = 1740260822217458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29497903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14748986 + 14748987.

It is an arithmetic number, because the mean of its divisors is an integer number (14748987).

Almost surely, 229497973 is an apocalyptic number.

It is an amenable number.

29497973 is a deficient number, since it is larger than the sum of its proper divisors (1).

29497973 is an equidigital number, since it uses as much as digits as its factorization.

29497973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 50.

The square root of 29497973 is about 5431.2036419195. The cubic root of 29497973 is about 308.9802530993.

The spelling of 29497973 in words is "twenty-nine million, four hundred ninety-seven thousand, nine hundred seventy-three".