Search a number
-
+
345849707 = 7425311617
BaseRepresentation
bin10100100111010…
…011111101101011
3220002202222121102
4110213103331223
51202014142312
654152432015
711366450120
oct2447237553
9802688542
10345849707
11168250005
12979a860b
13568620c8
1433d0a747
1520568ec2
hex149d3f6b

345849707 has 8 divisors (see below), whose sum is σ = 395383776. Its totient is φ = 296347392.

The previous prime is 345849667. The next prime is 345849739. The reversal of 345849707 is 707948543.

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

It is a cyclic number.

It is not a de Polignac number, because 345849707 - 226 = 278740843 is a prime.

It is a super-2 number, since 2×3458497072 = 239224039663971698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345849797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23963 + ... + 35579.

It is an arithmetic number, because the mean of its divisors is an integer number (49422972).

Almost surely, 2345849707 is an apocalyptic number.

345849707 is a deficient number, since it is larger than the sum of its proper divisors (49534069).

345849707 is a wasteful number, since it uses less digits than its factorization.

345849707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15877.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 345849707 is about 18597.0348980691. The cubic root of 345849707 is about 701.9332321517.

The spelling of 345849707 in words is "three hundred forty-five million, eight hundred forty-nine thousand, seven hundred seven".

Divisors: 1 7 4253 11617 29771 81319 49407101 345849707