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1420501052 = 221026734589
BaseRepresentation
bin101010010101011…
…0010000000111100
310122222220221010002
41110222302000330
510402122013202
6352542133432
750126026325
oct12452620074
93588827102
101420501052
11669921513
12337881278
131983a8c89
14d692b44c
1584a94302
hex54ab203c

1420501052 has 12 divisors (see below), whose sum is σ = 2486190840. Its totient is φ = 710160816.

The previous prime is 1420501039. The next prime is 1420501063. The reversal of 1420501052 is 2501050241.

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 3 ways as a sum of consecutive naturals, for example, 23774 + ... + 58362.

It is an arithmetic number, because the mean of its divisors is an integer number (207182570).

Almost surely, 21420501052 is an apocalyptic number.

It is an amenable number.

1420501052 is a deficient number, since it is larger than the sum of its proper divisors (1065689788).

1420501052 is a wasteful number, since it uses less digits than its factorization.

1420501052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44860 (or 44858 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1420501052 is about 37689.5350462167. The cubic root of 1420501052 is about 1124.1230504461.

Adding to 1420501052 its reverse (2501050241), we get a palindrome (3921551293).

The spelling of 1420501052 in words is "one billion, four hundred twenty million, five hundred one thousand, fifty-two".

Divisors: 1 2 4 10267 20534 34589 41068 69178 138356 355125263 710250526 1420501052