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340852831 = 1130986621
BaseRepresentation
bin10100010100010…
…000000001011111
3212202101010011221
4110110100001133
51144224242311
653453354211
711306126014
oct2424200137
9782333157
10340852831
11165447860
1296198967
1355802887
14333a970b
151edcd671
hex1451005f

340852831 has 4 divisors (see below), whose sum is σ = 371839464. Its totient is φ = 309866200.

The previous prime is 340852819. The next prime is 340852867. The reversal of 340852831 is 138258043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340852831 - 221 = 338755679 is a prime.

It is a super-2 number, since 2×3408528312 = 232361304801429122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340852871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15493300 + ... + 15493321.

It is an arithmetic number, because the mean of its divisors is an integer number (92959866).

Almost surely, 2340852831 is an apocalyptic number.

340852831 is a deficient number, since it is larger than the sum of its proper divisors (30986633).

340852831 is a wasteful number, since it uses less digits than its factorization.

340852831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30986632.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 340852831 is about 18462.2000584979. The cubic root of 340852831 is about 698.5362822788.

The spelling of 340852831 in words is "three hundred forty million, eight hundred fifty-two thousand, eight hundred thirty-one".

Divisors: 1 11 30986621 340852831