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1244014145 = 51153426763
BaseRepresentation
bin100101000100110…
…0010011001000001
310012200211110120222
41022021202121001
510021431423040
6323235312425
742553642253
oct11211423101
93180743528
101244014145
11589239270
122a874b715
1316a96515a
14bb309cd3
1574331bb5
hex4a262641

1244014145 has 16 divisors (see below), whose sum is σ = 1659258432. Its totient is φ = 887664960.

The previous prime is 1244014129. The next prime is 1244014147. The reversal of 1244014145 is 5414104421.

It is not a de Polignac number, because 1244014145 - 24 = 1244014129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244014147) 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 in 15 ways as a sum of consecutive naturals, for example, 210467 + ... + 216296.

It is an arithmetic number, because the mean of its divisors is an integer number (103703652).

Almost surely, 21244014145 is an apocalyptic number.

It is an amenable number.

1244014145 is a deficient number, since it is larger than the sum of its proper divisors (415244287).

1244014145 is a wasteful number, since it uses less digits than its factorization.

1244014145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426832.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1244014145 is about 35270.5846988677. The cubic root of 1244014145 is about 1075.4951085131.

Adding to 1244014145 its reverse (5414104421), we get a palindrome (6658118566).

The spelling of 1244014145 in words is "one billion, two hundred forty-four million, fourteen thousand, one hundred forty-five".

Divisors: 1 5 11 53 55 265 583 2915 426763 2133815 4694393 22618439 23471965 113092195 248802829 1244014145