Search a number
-
+
345861793 is a prime number
BaseRepresentation
bin10100100111010…
…110111010100001
3220002210121012001
4110213112322201
51202020034133
654153004001
711366530264
oct2447267241
9802717161
10345861793
111682590a2
12979b3601
1356867764
1433d10cdb
152056c87d
hex149d6ea1

345861793 has 2 divisors, whose sum is σ = 345861794. Its totient is φ = 345861792.

The previous prime is 345861749. The next prime is 345861799. The reversal of 345861793 is 397168543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301612689 + 44249104 = 17367^2 + 6652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345861793 is a prime.

It is not a weakly prime, because it can be changed into another prime (345861799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172930896 + 172930897.

It is an arithmetic number, because the mean of its divisors is an integer number (172930897).

Almost surely, 2345861793 is an apocalyptic number.

It is an amenable number.

345861793 is a deficient number, since it is larger than the sum of its proper divisors (1).

345861793 is an equidigital number, since it uses as much as digits as its factorization.

345861793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 345861793 is about 18597.3598395041. The cubic root of 345861793 is about 701.9414085995.

The spelling of 345861793 in words is "three hundred forty-five million, eight hundred sixty-one thousand, seven hundred ninety-three".