Search a number
-
+
454120022 = 21091208121
BaseRepresentation
bin11011000100010…
…101001001010110
31011122111200120002
4123010111021112
51412223320042
6113021211302
714152646036
oct3304251126
91148450502
10454120022
11213380104
12108100b32
1373110095
14444518c6
1529d04132
hex1b115256

454120022 has 8 divisors (see below), whose sum is σ = 681807672. Its totient is φ = 226850800.

The previous prime is 454119989. The next prime is 454120049. The reversal of 454120022 is 220021454.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 454119976 and 454120003.

It is a congruent number.

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, 101879 + ... + 106242.

It is an arithmetic number, because the mean of its divisors is an integer number (85225959).

Almost surely, 2454120022 is an apocalyptic number.

454120022 is a deficient number, since it is larger than the sum of its proper divisors (227687650).

454120022 is a wasteful number, since it uses less digits than its factorization.

454120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209214.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 454120022 is about 21310.0920223259. The cubic root of 454120022 is about 768.6410064966.

Adding to 454120022 its reverse (220021454), we get a palindrome (674141476).

The spelling of 454120022 in words is "four hundred fifty-four million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 1091 2182 208121 416242 227060011 454120022