Search a number
-
+
345151897 = 439786223
BaseRepresentation
bin10100100100101…
…001100110011001
3220001110112101121
4110210221212121
51201324330042
654125445241
711360512516
oct2444514631
9801415347
10345151897
11167913802
1297710821
13566795bc
1433ba830d
152047c367
hex14929999

345151897 has 4 divisors (see below), whose sum is σ = 345938560. Its totient is φ = 344365236.

The previous prime is 345151871. The next prime is 345151903. The reversal of 345151897 is 798151543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345151897 - 215 = 345119129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345151297) 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, 392673 + ... + 393550.

It is an arithmetic number, because the mean of its divisors is an integer number (86484640).

Almost surely, 2345151897 is an apocalyptic number.

It is an amenable number.

345151897 is a deficient number, since it is larger than the sum of its proper divisors (786663).

345151897 is an equidigital number, since it uses as much as digits as its factorization.

345151897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786662.

The product of its digits is 151200, while the sum is 43.

The square root of 345151897 is about 18578.2641008249. The cubic root of 345151897 is about 701.4608248051.

The spelling of 345151897 in words is "three hundred forty-five million, one hundred fifty-one thousand, eight hundred ninety-seven".

Divisors: 1 439 786223 345151897