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29774039 = 296116831
BaseRepresentation
bin111000110010…
…1000011010111
32002000200022012
41301211003113
530110232124
62542054435
7511034531
oct161450327
962020265
1029774039
1115896749
129b7a41b
136226199
143d50851
152931e0e
hex1c650d7

29774039 has 8 divisors (see below), whose sum is σ = 31307520. Its totient is φ = 28274400.

The previous prime is 29773993. The next prime is 29774047. The reversal of 29774039 is 93047792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29774039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29773987 and 29774005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29774639) 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 in 7 ways as a sum of consecutive naturals, for example, 6647 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (3913440).

Almost surely, 229774039 is an apocalyptic number.

29774039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

29774039 is a deficient number, since it is larger than the sum of its proper divisors (1533481).

29774039 is a wasteful number, since it uses less digits than its factorization.

29774039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 29774039 is about 5456.5592638585. The cubic root of 29774039 is about 309.9411577529.

The spelling of 29774039 in words is "twenty-nine million, seven hundred seventy-four thousand, thirty-nine".

Divisors: 1 29 61 1769 16831 488099 1026691 29774039