Search a number
-
+
351440122 = 21115974551
BaseRepresentation
bin10100111100101…
…000110011111010
3220111022000012211
4110330220303322
51204432040442
654512325334
711465122525
oct2474506372
9814260184
10351440122
11170419190
129984384a
1357a6b847
1434963bbc
1520cc0617
hex14f28cfa

351440122 has 8 divisors (see below), whose sum is σ = 575083872. Its totient is φ = 159745500.

The previous prime is 351440101. The next prime is 351440129. The reversal of 351440122 is 221044153.

351440122 is digitally balanced in base 3, 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 Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 15974551 = 351440122 / (3 + 5 + 1 + 4 + 4 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 351440093 and 351440102.

It is not an unprimeable number, because it can be changed into a prime (351440129) 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, 7987254 + ... + 7987297.

It is an arithmetic number, because the mean of its divisors is an integer number (71885484).

Almost surely, 2351440122 is an apocalyptic number.

351440122 is a deficient number, since it is larger than the sum of its proper divisors (223643750).

351440122 is a wasteful number, since it uses less digits than its factorization.

351440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974564.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 351440122 is about 18746.7363026208. The cubic root of 351440122 is about 705.6951191027.

Adding to 351440122 its reverse (221044153), we get a palindrome (572484275).

The spelling of 351440122 in words is "three hundred fifty-one million, four hundred forty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 15974551 31949102 175720061 351440122