Search a number
-
+
34688890 = 253468889
BaseRepresentation
bin1000010001010…
…0111101111010
32102021101012201
42010110331322
532340021030
63235300414
7600564535
oct204247572
972241181
1034688890
1118643305
12b74a70a
137257292
14486da1c
1530a32ca
hex2114f7a

34688890 has 8 divisors (see below), whose sum is σ = 62440020. Its totient is φ = 13875552.

The previous prime is 34688833. The next prime is 34688893. The reversal of 34688890 is 9888643.

34688890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33605209 + 1083681 = 5797^2 + 1041^2 .

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 34688890.

It is not an unprimeable number, because it can be changed into a prime (34688893) 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, 1734435 + ... + 1734454.

Almost surely, 234688890 is an apocalyptic number.

34688890 is a deficient number, since it is larger than the sum of its proper divisors (27751130).

34688890 is a wasteful number, since it uses less digits than its factorization.

34688890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468896.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 34688890 is about 5889.7274979408. The cubic root of 34688890 is about 326.1345436844.

The spelling of 34688890 in words is "thirty-four million, six hundred eighty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 3468889 6937778 17344445 34688890