Search a number
-
+
345266131 = 7139354847
BaseRepresentation
bin10100100101000…
…101011111010011
3220001200100002111
4110211011133103
51201342004011
654132130151
711361466540
oct2445053723
9801610074
10345266131
11167991611
1297766957
13566b95b2
1433bd7bc7
15204a1121
hex149457d3

345266131 has 8 divisors (see below), whose sum is σ = 397429760. Its totient is φ = 293812488.

The previous prime is 345266099. The next prime is 345266143. The reversal of 345266131 is 131662543.

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

It is a cyclic number.

It is not a de Polignac number, because 345266131 - 25 = 345266099 is a prime.

It is a super-2 number, since 2×3452661312 = 238417402431418322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345266093 and 345266102.

It is not an unprimeable number, because it can be changed into a prime (345266191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176451 + ... + 178396.

It is an arithmetic number, because the mean of its divisors is an integer number (49678720).

Almost surely, 2345266131 is an apocalyptic number.

345266131 is a deficient number, since it is larger than the sum of its proper divisors (52163629).

345266131 is a wasteful number, since it uses less digits than its factorization.

345266131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354993.

The product of its digits is 12960, while the sum is 31.

The square root of 345266131 is about 18581.3382456700. The cubic root of 345266131 is about 701.5382031400.

The spelling of 345266131 in words is "three hundred forty-five million, two hundred sixty-six thousand, one hundred thirty-one".

Divisors: 1 7 139 973 354847 2483929 49323733 345266131