Search a number
-
+
340744784 = 24191120871
BaseRepresentation
bin10100010011110…
…101101001010000
3212202011121222012
4110103311221100
51144212313114
653451202052
711305166012
oct2423655120
9782147865
10340744784
11165383666
1296146328
1355795643
143337c1b2
151edab63e
hex144f5a50

340744784 has 20 divisors (see below), whose sum is σ = 694940640. Its totient is φ = 161405280.

The previous prime is 340744757. The next prime is 340744823. The reversal of 340744784 is 487447043.

It is a super-2 number, since 2×3407447842 = 232214015646413312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 560132 + ... + 560739.

It is an arithmetic number, because the mean of its divisors is an integer number (34747032).

Almost surely, 2340744784 is an apocalyptic number.

It is an amenable number.

340744784 is an abundant number, since it is smaller than the sum of its proper divisors (354195856).

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

340744784 is a wasteful number, since it uses less digits than its factorization.

340744784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120898 (or 1120892 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 41.

The square root of 340744784 is about 18459.2736585165. The cubic root of 340744784 is about 698.4624647647.

The spelling of 340744784 in words is "three hundred forty million, seven hundred forty-four thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 1120871 2241742 4483484 8966968 17933936 21296549 42593098 85186196 170372392 340744784