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29764397 = 1310122669
BaseRepresentation
bin111000110001…
…0101100101101
32002000012002002
41301202230231
530104430042
62541542045
7510664445
oct161425455
962005062
1029764397
111588a483
129b74925
136221990
143d4b125
15292e132
hex1c62b2d

29764397 has 8 divisors (see below), whose sum is σ = 32372760. Its totient is φ = 27201600.

The previous prime is 29764387. The next prime is 29764403. The reversal of 29764397 is 79346792.

It can be written as a sum of positive squares in 4 ways, for example, as 15217801 + 14546596 = 3901^2 + 3814^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29764397 - 214 = 29748013 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 (29764307) 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, 10022 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (4046595).

Almost surely, 229764397 is an apocalyptic number.

It is an amenable number.

29764397 is a deficient number, since it is larger than the sum of its proper divisors (2608363).

29764397 is a wasteful number, since it uses less digits than its factorization.

29764397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22783.

The product of its digits is 571536, while the sum is 47.

The square root of 29764397 is about 5455.6756685126. The cubic root of 29764397 is about 309.9076971119.

The spelling of 29764397 in words is "twenty-nine million, seven hundred sixty-four thousand, three hundred ninety-seven".

Divisors: 1 13 101 1313 22669 294697 2289569 29764397