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29900071 is a prime number
BaseRepresentation
bin111001000001…
…1110100100111
32002021002012001
41302003310213
530123300241
62544510131
7512101135
oct162036447
962232161
1029900071
1115972403
12a01b347
13626b666
143d84755
152959431
hex1c83d27

29900071 has 2 divisors, whose sum is σ = 29900072. Its totient is φ = 29900070.

The previous prime is 29900051. The next prime is 29900081. The reversal of 29900071 is 17000992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29900071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29900021) 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, 14950035 + 14950036.

It is an arithmetic number, because the mean of its divisors is an integer number (14950036).

Almost surely, 229900071 is an apocalyptic number.

29900071 is a deficient number, since it is larger than the sum of its proper divisors (1).

29900071 is an equidigital number, since it uses as much as digits as its factorization.

29900071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 29900071 is about 5468.0957380061. The cubic root of 29900071 is about 310.3778638904.

The spelling of 29900071 in words is "twenty-nine million, nine hundred thousand, seventy-one".