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340510481 = 1033305927
BaseRepresentation
bin10100010010111…
…100011100010001
3212201201201120022
4110102330130101
51144132313411
653442153225
711303201633
oct2422743421
9781651508
10340510481
11165233623
1296052815
1355712abc
143331aa53
151ed61edb
hex144bc711

340510481 has 4 divisors (see below), whose sum is σ = 343816512. Its totient is φ = 337204452.

The previous prime is 340510477. The next prime is 340510543. The reversal of 340510481 is 184015043.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184015043 = 1791028017.

It is a cyclic number.

It is not a de Polignac number, because 340510481 - 22 = 340510477 is a prime.

It is a super-2 number, since 2×3405104812 = 231894775341702722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340510481.

It is not an unprimeable number, because it can be changed into a prime (340510451) 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, 1652861 + ... + 1653066.

It is an arithmetic number, because the mean of its divisors is an integer number (85954128).

Almost surely, 2340510481 is an apocalyptic number.

It is an amenable number.

340510481 is a deficient number, since it is larger than the sum of its proper divisors (3306031).

340510481 is a wasteful number, since it uses less digits than its factorization.

340510481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306030.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 340510481 is about 18452.9260823318. The cubic root of 340510481 is about 698.3023357542.

The spelling of 340510481 in words is "three hundred forty million, five hundred ten thousand, four hundred eighty-one".

Divisors: 1 103 3305927 340510481