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29949473 = 231302151
BaseRepresentation
bin111001000111…
…1111000100001
32002100120221202
41302033320201
530131340343
62545530545
7512365151
oct162177041
962316852
1029949473
11159a6534
12a043a55
136287ca8
143d98761
152968db8
hex1c8fe21

29949473 has 4 divisors (see below), whose sum is σ = 31251648. Its totient is φ = 28647300.

The previous prime is 29949467. The next prime is 29949497. The reversal of 29949473 is 37494992.

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 29949473 - 28 = 29949217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29949463) 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 3 ways as a sum of consecutive naturals, for example, 651053 + ... + 651098.

It is an arithmetic number, because the mean of its divisors is an integer number (7812912).

Almost surely, 229949473 is an apocalyptic number.

29949473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

29949473 is a deficient number, since it is larger than the sum of its proper divisors (1302175).

29949473 is a wasteful number, since it uses less digits than its factorization.

29949473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302174.

The product of its digits is 489888, while the sum is 47.

The square root of 29949473 is about 5472.6111683546. The cubic root of 29949473 is about 310.5487090838.

The spelling of 29949473 in words is "twenty-nine million, nine hundred forty-nine thousand, four hundred seventy-three".

Divisors: 1 23 1302151 29949473