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29937443 = 151119813
BaseRepresentation
bin111001000110…
…0111100100011
32002022222110012
41302030330203
530130444233
62545355135
7512315114
oct162147443
962288405
1029937443
1115998498
12a038aab
136282683
143d9420b
152965548
hex1c8cf23

29937443 has 4 divisors (see below), whose sum is σ = 29958768. Its totient is φ = 29916120.

The previous prime is 29937433. The next prime is 29937461. The reversal of 29937443 is 34473992.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29937443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29937443.

It is not an unprimeable number, because it can be changed into a prime (29937433) 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, 8396 + ... + 11417.

It is an arithmetic number, because the mean of its divisors is an integer number (7489692).

Almost surely, 229937443 is an apocalyptic number.

29937443 is a deficient number, since it is larger than the sum of its proper divisors (21325).

29937443 is a wasteful number, since it uses less digits than its factorization.

29937443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21324.

The product of its digits is 163296, while the sum is 41.

The square root of 29937443 is about 5471.5119482644. The cubic root of 29937443 is about 310.5071234740.

The spelling of 29937443 in words is "twenty-nine million, nine hundred thirty-seven thousand, four hundred forty-three".

Divisors: 1 1511 19813 29937443