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1420403241 = 32274334817
BaseRepresentation
bin101010010101001…
…1010001000101001
310122222201221221110
41110222122020221
510402110400431
6352540100533
750125141215
oct12452321051
93588657843
101420403241
11669864a84
12337834749
131983735ba
14d6903945
1584a75346
hex54a9a229

1420403241 has 16 divisors (see below), whose sum is σ = 1907002944. Its totient is φ = 940391424.

The previous prime is 1420403213. The next prime is 1420403251. The reversal of 1420403241 is 1423040241.

It is not a de Polignac number, because 1420403241 - 26 = 1420403177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420403251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 292465 + ... + 297281.

It is an arithmetic number, because the mean of its divisors is an integer number (119187684).

Almost surely, 21420403241 is an apocalyptic number.

It is an amenable number.

1420403241 is a deficient number, since it is larger than the sum of its proper divisors (486599703).

1420403241 is a wasteful number, since it uses less digits than its factorization.

1420403241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420403241 is about 37688.2374355713. The cubic root of 1420403241 is about 1124.0972487233.

Adding to 1420403241 its reverse (1423040241), we get a palindrome (2843443482).

The spelling of 1420403241 in words is "one billion, four hundred twenty million, four hundred three thousand, two hundred forty-one".

Divisors: 1 3 227 433 681 1299 4817 14451 98291 294873 1093459 2085761 3280377 6257283 473467747 1420403241