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29975029 = 717331761
BaseRepresentation
bin111001001011…
…0000111110101
32002101220000021
41302112013311
530133200104
62550245141
7512532520
oct162260765
962356007
1029975029
1115a13757
12a0567b1
136296806
143da3bb7
152971754
hex1c961f5

29975029 has 16 divisors (see below), whose sum is σ = 36429696. Its totient is φ = 24076800.

The previous prime is 29975017. The next prime is 29975081. The reversal of 29975029 is 92057992.

It is a cyclic number.

It is not a de Polignac number, because 29975029 - 29 = 29974517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29975089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39009 + ... + 39769.

It is an arithmetic number, because the mean of its divisors is an integer number (2276856).

Almost surely, 229975029 is an apocalyptic number.

It is an amenable number.

29975029 is a deficient number, since it is larger than the sum of its proper divisors (6454667).

29975029 is a wasteful number, since it uses less digits than its factorization.

29975029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 29975029 is about 5474.9455705057. The cubic root of 29975029 is about 310.6370147722.

The spelling of 29975029 in words is "twenty-nine million, nine hundred seventy-five thousand, twenty-nine".

Divisors: 1 7 17 119 331 761 2317 5327 5627 12937 39389 90559 251891 1763237 4282147 29975029