Search a number
-
+
351920234 = 210913112323
BaseRepresentation
bin10100111110011…
…110000001101010
3220112012101210202
4110332132001222
51210042421414
654530512202
711502162341
oct2476360152
9815171722
10351920234
11170716976
1299a35662
1357ba9233
1434a4ab58
1520d679de
hex14f9e06a

351920234 has 16 divisors (see below), whose sum is σ = 536833440. Its totient is φ = 173000880.

The previous prime is 351920221. The next prime is 351920267. The reversal of 351920234 is 432029153.

It is a super-2 number, since 2×3519202342 = 247695702197229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351920197 and 351920206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22397 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (33552090).

Almost surely, 2351920234 is an apocalyptic number.

351920234 is a deficient number, since it is larger than the sum of its proper divisors (184913206).

351920234 is a wasteful number, since it uses less digits than its factorization.

351920234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12565.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 351920234 is about 18759.5371478083. The cubic root of 351920234 is about 706.0163293684.

Adding to 351920234 its reverse (432029153), we get a palindrome (783949387).

The spelling of 351920234 in words is "three hundred fifty-one million, nine hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 109 131 218 262 12323 14279 24646 28558 1343207 1614313 2686414 3228626 175960117 351920234