Search a number
-
+
122045242 = 2115547511
BaseRepresentation
bin1110100011001…
…00001100111010
322111122112121011
413101210030322
5222220421432
620035504134
73011240014
oct721441472
9274575534
10122045242
1162989440
1234a5804a
131c391b27
14122cd1b4
15aaab847
hex746433a

122045242 has 8 divisors (see below), whose sum is σ = 199710432. Its totient is φ = 55475100.

The previous prime is 122045239. The next prime is 122045251. The reversal of 122045242 is 242540221.

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: 5547511 = 122045242 / (1 + 2 + 2 + 0 + 4 + 5 + 2 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773734 + ... + 2773777.

It is an arithmetic number, because the mean of its divisors is an integer number (24963804).

Almost surely, 2122045242 is an apocalyptic number.

122045242 is a deficient number, since it is larger than the sum of its proper divisors (77665190).

122045242 is a wasteful number, since it uses less digits than its factorization.

122045242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547524.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 122045242 is about 11047.4088364648. The cubic root of 122045242 is about 496.0288663611.

Adding to 122045242 its reverse (242540221), we get a palindrome (364585463).

The spelling of 122045242 in words is "one hundred twenty-two million, forty-five thousand, two hundred forty-two".

Divisors: 1 2 11 22 5547511 11095022 61022621 122045242