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1420411421 = 1113174114251
BaseRepresentation
bin101010010101001…
…1100001000011101
310122222202101011102
41110222130020131
510402111131141
6352540202445
750125204112
oct12452341035
93588671142
101420411421
11669870140
12337839425
13198377240
14d6906909
1584a7799b
hex54a9c21d

1420411421 has 32 divisors (see below), whose sum is σ = 1810118016. Its totient is φ = 1094400000.

The previous prime is 1420411417. The next prime is 1420411451. The reversal of 1420411421 is 1241140241.

It is a cyclic number.

It is not a de Polignac number, because 1420411421 - 22 = 1420411417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420411393 and 1420411402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420411451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92546 + ... + 106796.

It is an arithmetic number, because the mean of its divisors is an integer number (56566188).

Almost surely, 21420411421 is an apocalyptic number.

1420411421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420411421 is a deficient number, since it is larger than the sum of its proper divisors (389706595).

1420411421 is a wasteful number, since it uses less digits than its factorization.

1420411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14333.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1420411421 is about 37688.3459573381. The cubic root of 1420411421 is about 1124.0994065842.

Adding to 1420411421 its reverse (1241140241), we get a palindrome (2661551662).

The spelling of 1420411421 in words is "one billion, four hundred twenty million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 11 13 17 41 143 187 221 451 533 697 2431 5863 7667 9061 14251 99671 156761 185263 242267 584291 2037893 2664937 3149471 6427201 7595783 9932947 34644181 83553613 109262417 129128311 1420411421