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29561401 is a prime number
BaseRepresentation
bin111000011000…
…1001000111001
32001121212121201
41300301020321
530031431101
62533334201
7506160562
oct160611071
961555551
1029561401
1115760a11
129a97361
13618046c
143cd7169
1528dde01
hex1c31239

29561401 has 2 divisors, whose sum is σ = 29561402. Its totient is φ = 29561400.

The previous prime is 29561341. The next prime is 29561407. The reversal of 29561401 is 10416592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 4511376 = 5005^2 + 2124^2 .

It is a cyclic number.

It is not a de Polignac number, because 29561401 - 215 = 29528633 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29561401.

It is not a weakly prime, because it can be changed into another prime (29561407) 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 as a sum of consecutive naturals, namely, 14780700 + 14780701.

It is an arithmetic number, because the mean of its divisors is an integer number (14780701).

Almost surely, 229561401 is an apocalyptic number.

It is an amenable number.

29561401 is a deficient number, since it is larger than the sum of its proper divisors (1).

29561401 is an equidigital number, since it uses as much as digits as its factorization.

29561401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 29561401 is about 5437.0397276459. The cubic root of 29561401 is about 309.2015560952.

Adding to 29561401 its reverse (10416592), we get a palindrome (39977993).

The spelling of 29561401 in words is "twenty-nine million, five hundred sixty-one thousand, four hundred one".