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350068531 = 2719128749
BaseRepresentation
bin10100110111011…
…001111100110011
3220101201022202011
4110313121330303
51204104143111
654423103351
711450350651
oct2467317463
9811638664
10350068531
1116a67173a
12992a1b57
13576ab457
14346c7dd1
1520aee021
hex14dd9f33

350068531 has 4 divisors (see below), whose sum is σ = 350200000. Its totient is φ = 349937064.

The previous prime is 350068493. The next prime is 350068571. The reversal of 350068531 is 135860053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135860053 = 719408579.

It is a cyclic number.

It is not a de Polignac number, because 350068531 - 219 = 349544243 is a prime.

It is a super-2 number, since 2×3500685312 = 245095952792995922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350068493 and 350068502.

It is not an unprimeable number, because it can be changed into a prime (350068571) 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, 61656 + ... + 67093.

It is an arithmetic number, because the mean of its divisors is an integer number (87550000).

Almost surely, 2350068531 is an apocalyptic number.

350068531 is a deficient number, since it is larger than the sum of its proper divisors (131469).

350068531 is a wasteful number, since it uses less digits than its factorization.

350068531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131468.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 350068531 is about 18710.1184122389. The cubic root of 350068531 is about 704.7758662457.

The spelling of 350068531 in words is "three hundred fifty million, sixty-eight thousand, five hundred thirty-one".

Divisors: 1 2719 128749 350068531