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29983057 = 132306389
BaseRepresentation
bin111001001100…
…0000101010001
32002102022000121
41302120011101
530133424212
62550350241
7512565106
oct162300521
962368017
1029983057
1115a19795
12a05b381
13629a370
143da6aad
152973d07
hex1c98151

29983057 has 4 divisors (see below), whose sum is σ = 32289460. Its totient is φ = 27676656.

The previous prime is 29983043. The next prime is 29983097. The reversal of 29983057 is 75038992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 17564481 = 3524^2 + 4191^2 .

It is a cyclic number.

It is not a de Polignac number, because 29983057 - 27 = 29982929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29983097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153182 + ... + 1153207.

It is an arithmetic number, because the mean of its divisors is an integer number (8072365).

Almost surely, 229983057 is an apocalyptic number.

It is an amenable number.

29983057 is a deficient number, since it is larger than the sum of its proper divisors (2306403).

29983057 is a wasteful number, since it uses less digits than its factorization.

29983057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306402.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 29983057 is about 5475.6786793967. The cubic root of 29983057 is about 310.6647442017.

The spelling of 29983057 in words is "twenty-nine million, nine hundred eighty-three thousand, fifty-seven".

Divisors: 1 13 2306389 29983057