Search a number
-
+
34250420 = 2251978693
BaseRepresentation
bin1000001010100…
…1111010110100
32101110002202002
42002221322310
532232003140
63222034432
7564060311
oct202517264
971402662
1034250420
1118373936
12b578a18
137132829
144797d08
153018415
hex20a9eb4

34250420 has 24 divisors (see below), whose sum is σ = 72299304. Its totient is φ = 13629056.

The previous prime is 34250399. The next prime is 34250431. The reversal of 34250420 is 2405243.

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 29899024 = 2086^2 + 5468^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34250392 and 34250401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (3012471).

Almost surely, 234250420 is an apocalyptic number.

It is an amenable number.

34250420 is an abundant number, since it is smaller than the sum of its proper divisors (38048884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34250420 is a wasteful number, since it uses less digits than its factorization.

34250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899 (or 8897 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 34250420 is about 5852.3858382714. The cubic root of 34250420 is about 324.7545918588.

Adding to 34250420 its reverse (2405243), we get a palindrome (36655663).

The spelling of 34250420 in words is "thirty-four million, two hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 8693 17386 34772 43465 86930 173860 1712521 3425042 6850084 8562605 17125210 34250420