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301400144 = 2418837509
BaseRepresentation
bin10001111101110…
…000000001010000
3210000010201021022
4101331300001100
51104124301034
645524015012
710316600423
oct2175600120
9700121238
10301400144
11145150431
1284b31468
134a59b1a6
142c0599ba
151b6d8b2e
hex11f70050

301400144 has 10 divisors (see below), whose sum is σ = 583962810. Its totient is φ = 150700064.

The previous prime is 301400131. The next prime is 301400147. The reversal of 301400144 is 441004103.

It can be written as a sum of positive squares in only one way, i.e., 201640000 + 99760144 = 14200^2 + 9988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301400147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9418739 + ... + 9418770.

It is an arithmetic number, because the mean of its divisors is an integer number (58396281).

Almost surely, 2301400144 is an apocalyptic number.

It is an amenable number.

301400144 is a deficient number, since it is larger than the sum of its proper divisors (282562666).

301400144 is a wasteful number, since it uses less digits than its factorization.

301400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837517 (or 18837511 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 301400144 is about 17360.8797012133. The cubic root of 301400144 is about 670.4727813282.

Adding to 301400144 its reverse (441004103), we get a palindrome (742404247).

The spelling of 301400144 in words is "three hundred one million, four hundred thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 18837509 37675018 75350036 150700072 301400144