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29490913 is a prime number
BaseRepresentation
bin111000001111…
…1111011100001
32001111021221001
41300133323201
530022202123
62532032001
7505445224
oct160377341
961437831
1029490913
1115712a61
129a62601
13615735a
143cb95bb
1528c80ad
hex1c1fee1

29490913 has 2 divisors, whose sum is σ = 29490914. Its totient is φ = 29490912.

The previous prime is 29490893. The next prime is 29490917. The reversal of 29490913 is 31909492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 5987809 = 4848^2 + 2447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29490913 is a prime.

It is not a weakly prime, because it can be changed into another prime (29490917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14745456 + 14745457.

It is an arithmetic number, because the mean of its divisors is an integer number (14745457).

Almost surely, 229490913 is an apocalyptic number.

It is an amenable number.

29490913 is a deficient number, since it is larger than the sum of its proper divisors (1).

29490913 is an equidigital number, since it uses as much as digits as its factorization.

29490913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 29490913 is about 5430.5536550153. The cubic root of 29490913 is about 308.9556008445.

It can be divided in two parts, 29490 and 913, that added together give a palindrome (30403).

The spelling of 29490913 in words is "twenty-nine million, four hundred ninety thousand, nine hundred thirteen".