Search a number
-
+
301220142 = 2390755351
BaseRepresentation
bin10001111101000…
…100000100101110
3202222210120100120
4101331010010232
51104103021032
645520105410
710315220556
oct2175040456
9688716316
10301220142
11145038173
1284a65266
134a537292
142c010166
151b6a062c
hex11f4412e

301220142 has 16 divisors (see below), whose sum is σ = 603115392. Its totient is φ = 100294200.

The previous prime is 301220113. The next prime is 301220189. The reversal of 301220142 is 241022103.

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 7 ways as a sum of consecutive naturals, for example, 22234 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (37694712).

Almost surely, 2301220142 is an apocalyptic number.

301220142 is an abundant number, since it is smaller than the sum of its proper divisors (301895250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301220142 is a wasteful number, since it uses less digits than its factorization.

301220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56263.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 301220142 is about 17355.6948002666. The cubic root of 301220142 is about 670.3392816409.

Adding to 301220142 its reverse (241022103), we get a palindrome (542242245).

The spelling of 301220142 in words is "three hundred one million, two hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 3 6 907 1814 2721 5442 55351 110702 166053 332106 50203357 100406714 150610071 301220142