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34378090 = 2541191439
BaseRepresentation
bin1000001100100…
…1000101101010
32101200120212121
42003021011222
532300044330
63224501454
7565131445
oct203110552
971616777
1034378090
111845084a
12b61a88a
137178986
1447cc65c
15304117a
hex20c916a

34378090 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 13315200.

The previous prime is 34378081. The next prime is 34378093. The reversal of 34378090 is 9087343.

It is not an unprimeable number, because it can be changed into a prime (34378093) 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, 78091 + ... + 78529.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 234378090 is an apocalyptic number.

34378090 is a deficient number, since it is larger than the sum of its proper divisors (29488790).

34378090 is a wasteful number, since it uses less digits than its factorization.

34378090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 34378090 is about 5863.2832099430. The cubic root of 34378090 is about 325.1576040332.

The spelling of 34378090 in words is "thirty-four million, three hundred seventy-eight thousand, ninety".

Divisors: 1 2 5 10 41 82 191 205 382 410 439 878 955 1910 2195 4390 7831 15662 17999 35998 39155 78310 83849 89995 167698 179990 419245 838490 3437809 6875618 17189045 34378090