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29020137 = 39673379
BaseRepresentation
bin110111010110…
…0111111101001
32000121101010220
41232230333221
524412121022
62514000253
7501444546
oct156547751
960541126
1029020137
1115421293
129876089
136020ca3
143bd5bcd
15283385c
hex1bacfe9

29020137 has 4 divisors (see below), whose sum is σ = 38693520. Its totient is φ = 19346756.

The previous prime is 29020133. The next prime is 29020151. The reversal of 29020137 is 73102092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29020137 - 22 = 29020133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29020133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4836687 + ... + 4836692.

It is an arithmetic number, because the mean of its divisors is an integer number (9673380).

Almost surely, 229020137 is an apocalyptic number.

It is an amenable number.

29020137 is a deficient number, since it is larger than the sum of its proper divisors (9673383).

29020137 is an equidigital number, since it uses as much as digits as its factorization.

29020137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673382.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 29020137 is about 5387.0341561939. The cubic root of 29020137 is about 307.3027778900.

The spelling of 29020137 in words is "twenty-nine million, twenty thousand, one hundred thirty-seven".

Divisors: 1 3 9673379 29020137