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245641342 = 2179686149
BaseRepresentation
bin11101010010000…
…11000001111110
3122010012212120111
432221003001332
51000341010332
640212540234
76041626342
oct1651030176
9563185514
10245641342
11116726a81
126a32167a
133bb7780b
14248a3622
1516872947
hexea4307e

245641342 has 8 divisors (see below), whose sum is σ = 370521000. Its totient is φ = 122134344.

The previous prime is 245641309. The next prime is 245641343. The reversal of 245641342 is 243146542.

245641342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245641343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342717 + ... + 343432.

It is an arithmetic number, because the mean of its divisors is an integer number (46315125).

Almost surely, 2245641342 is an apocalyptic number.

245641342 is a deficient number, since it is larger than the sum of its proper divisors (124879658).

245641342 is a wasteful number, since it uses less digits than its factorization.

245641342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686330.

The product of its digits is 23040, while the sum is 31.

The square root of 245641342 is about 15672.9493714489. The cubic root of 245641342 is about 626.2779968174.

Adding to 245641342 its reverse (243146542), we get a palindrome (488787884).

The spelling of 245641342 in words is "two hundred forty-five million, six hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 179 358 686149 1372298 122820671 245641342