Search a number
-
+
34779380 = 2251738969
BaseRepresentation
bin1000010010101…
…1000011110100
32102102222100012
42010223003310
532400420010
63241235352
7601422416
oct204530364
972388305
1034779380
11186a5299
12b792b58
13728951c
1448949b6
1530c0005
hex212b0f4

34779380 has 12 divisors (see below), whose sum is σ = 73036740. Its totient is φ = 13911744.

The previous prime is 34779373. The next prime is 34779397. The reversal of 34779380 is 8397743.

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 25020004 = 3124^2 + 5002^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869465 + ... + 869504.

It is an arithmetic number, because the mean of its divisors is an integer number (6086395).

Almost surely, 234779380 is an apocalyptic number.

It is an amenable number.

34779380 is an abundant number, since it is smaller than the sum of its proper divisors (38257360).

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

34779380 is a wasteful number, since it uses less digits than its factorization.

34779380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738978 (or 1738976 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 34779380 is about 5897.4045138518. The cubic root of 34779380 is about 326.4178840683.

The spelling of 34779380 in words is "thirty-four million, seven hundred seventy-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1738969 3477938 6955876 8694845 17389690 34779380