Search a number
-
+
34690378 = 2144711987
BaseRepresentation
bin1000010001010…
…1010101001010
32102021110020211
42010111111022
532340043003
63235311334
7600602062
oct204252512
972243224
1034690378
1118644438
12b74b54a
137257b68
1448703a2
1530a396d
hex211554a

34690378 has 8 divisors (see below), whose sum is σ = 52075872. Its totient is φ = 17331756.

The previous prime is 34690373. The next prime is 34690391. The reversal of 34690378 is 87309643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 34690378.

It is not an unprimeable number, because it can be changed into a prime (34690373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (6509484).

Almost surely, 234690378 is an apocalyptic number.

34690378 is a deficient number, since it is larger than the sum of its proper divisors (17385494).

34690378 is a wasteful number, since it uses less digits than its factorization.

34690378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 34690378 is about 5889.8538182199. The cubic root of 34690378 is about 326.1392068610.

The spelling of 34690378 in words is "thirty-four million, six hundred ninety thousand, three hundred seventy-eight".

Divisors: 1 2 1447 2894 11987 23974 17345189 34690378