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29539957 is a prime number
BaseRepresentation
bin111000010101…
…1111001110101
32001120210012111
41300223321311
530030234312
62533051021
7506041216
oct160537165
961523174
1029539957
1115746897
129a86a71
136173785
143ccd40d
1528d78a7
hex1c2be75

29539957 has 2 divisors, whose sum is σ = 29539958. Its totient is φ = 29539956.

The previous prime is 29539907. The next prime is 29539963. The reversal of 29539957 is 75993592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16859236 + 12680721 = 4106^2 + 3561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29539957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29539957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29539907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14769978 + 14769979.

It is an arithmetic number, because the mean of its divisors is an integer number (14769979).

Almost surely, 229539957 is an apocalyptic number.

It is an amenable number.

29539957 is a deficient number, since it is larger than the sum of its proper divisors (1).

29539957 is an equidigital number, since it uses as much as digits as its factorization.

29539957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765450, while the sum is 49.

The square root of 29539957 is about 5435.0673408892. The cubic root of 29539957 is about 309.1267725163.

The spelling of 29539957 in words is "twenty-nine million, five hundred thirty-nine thousand, nine hundred fifty-seven".