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29702939 = 719921323
BaseRepresentation
bin111000101001…
…1101100011011
32001220001202212
41301103230123
530100443224
62540345335
7510320330
oct161235433
961801685
1029702939
1115848292
129b4524b
1361cca06
143d32987
15291ad0e
hex1c53b1b

29702939 has 8 divisors (see below), whose sum is σ = 34118400. Its totient is φ = 25330536.

The previous prime is 29702923. The next prime is 29702951. The reversal of 29702939 is 93920792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29702939 - 24 = 29702923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29702896 and 29702905.

It is not an unprimeable number, because it can be changed into a prime (29702539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9269 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (4264800).

Almost surely, 229702939 is an apocalyptic number.

29702939 is a deficient number, since it is larger than the sum of its proper divisors (4415461).

29702939 is a wasteful number, since it uses less digits than its factorization.

29702939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 29702939 is about 5450.0402750805. The cubic root of 29702939 is about 309.6942493547.

The spelling of 29702939 in words is "twenty-nine million, seven hundred two thousand, nine hundred thirty-nine".

Divisors: 1 7 199 1393 21323 149261 4243277 29702939