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29900641 is a prime number
BaseRepresentation
bin111001000001…
…1111101100001
32002021002222011
41302003331201
530123310031
62544512521
7512102611
oct162037541
962232864
1029900641
1115972881
12a01b741
13626b9b4
143d84a41
1529596b1
hex1c83f61

29900641 has 2 divisors, whose sum is σ = 29900642. Its totient is φ = 29900640.

The previous prime is 29900627. The next prime is 29900677. The reversal of 29900641 is 14600992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 1587600 = 5321^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 29900641 - 27 = 29900513 is a prime.

It is not a weakly prime, because it can be changed into another prime (29900441) 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 as a sum of consecutive naturals, namely, 14950320 + 14950321.

It is an arithmetic number, because the mean of its divisors is an integer number (14950321).

Almost surely, 229900641 is an apocalyptic number.

It is an amenable number.

29900641 is a deficient number, since it is larger than the sum of its proper divisors (1).

29900641 is an equidigital number, since it uses as much as digits as its factorization.

29900641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 29900641 is about 5468.1478582789. The cubic root of 29900641 is about 310.3798361740.

The spelling of 29900641 in words is "twenty-nine million, nine hundred thousand, six hundred forty-one".