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34921943 = 7191391889
BaseRepresentation
bin1000010100110…
…1110111010111
32102201012220022
42011031313113
532420000233
63244255355
7602555150
oct205156727
972635808
1034921943
1118792411
12b84155b
137309394
1448d0927
1530ec398
hex214ddd7

34921943 has 16 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 28138752.

The previous prime is 34921933. The next prime is 34921949. The reversal of 34921943 is 34912943.

It is a cyclic number.

It is not a de Polignac number, because 34921943 - 222 = 30727639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34921949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17543 + ... + 19431.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 234921943 is an apocalyptic number.

34921943 is a deficient number, since it is larger than the sum of its proper divisors (7414057).

34921943 is a wasteful number, since it uses less digits than its factorization.

34921943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054.

The product of its digits is 23328, while the sum is 35.

The square root of 34921943 is about 5909.4790802574. The cubic root of 34921943 is about 326.8632789517.

The spelling of 34921943 in words is "thirty-four million, nine hundred twenty-one thousand, nine hundred forty-three".

Divisors: 1 7 19 133 139 973 1889 2641 13223 18487 35891 251237 262571 1837997 4988849 34921943