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29301949 = 131223679
BaseRepresentation
bin110111111000…
…1110010111101
32001010200201101
41233301302331
530000130244
62524013101
7504030265
oct157616275
961120641
1029301949
11155a3a96
129991191
1360bc341
143c6a7a5
15288c0d4
hex1bf1cbd

29301949 has 4 divisors (see below), whose sum is σ = 29525760. Its totient is φ = 29078140.

The previous prime is 29301941. The next prime is 29301953. The reversal of 29301949 is 94910392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29301949 - 23 = 29301941 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 (29301941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111709 + ... + 111970.

It is an arithmetic number, because the mean of its divisors is an integer number (7381440).

Almost surely, 229301949 is an apocalyptic number.

It is an amenable number.

29301949 is a deficient number, since it is larger than the sum of its proper divisors (223811).

29301949 is a wasteful number, since it uses less digits than its factorization.

29301949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223810.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 29301949 is about 5413.1274694025. The cubic root of 29301949 is about 308.2943053272.

The spelling of 29301949 in words is "twenty-nine million, three hundred one thousand, nine hundred forty-nine".

Divisors: 1 131 223679 29301949