Search a number
-
+
345893493 = 31111718951
BaseRepresentation
bin10100100111011…
…110101001110101
3220002212012200010
4110213132221311
51202022042433
654153410433
711400021561
oct2447365165
9802765603
10345893493
1116827a9a0
1297a09a19
135687900a
1433d1c6a1
1520576e63
hex149dea75

345893493 has 16 divisors (see below), whose sum is σ = 503603712. Its totient is φ = 209430000.

The previous prime is 345893479. The next prime is 345893503. The reversal of 345893493 is 394398543.

It is a happy number.

It is not a de Polignac number, because 345893493 - 24 = 345893477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345893413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34168 + ... + 43118.

It is an arithmetic number, because the mean of its divisors is an integer number (31475232).

Almost surely, 2345893493 is an apocalyptic number.

345893493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

345893493 is a deficient number, since it is larger than the sum of its proper divisors (157710219).

345893493 is a wasteful number, since it uses less digits than its factorization.

345893493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136.

The product of its digits is 1399680, while the sum is 48.

The square root of 345893493 is about 18598.2120914888. The cubic root of 345893493 is about 701.9628534495.

The spelling of 345893493 in words is "three hundred forty-five million, eight hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 3 11 33 1171 3513 8951 12881 26853 38643 98461 295383 10481621 31444863 115297831 345893493