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1420423412 = 222831254791
BaseRepresentation
bin101010010101001…
…1111000011110100
310122222202222121112
41110222133003310
510402112022122
6352540334152
750125254062
oct12452370364
93588688545
101420423412
11669879151
12337844358
1319837c835
14d690b032
1584a7b2e2
hex54a9f0f4

1420423412 has 12 divisors (see below), whose sum is σ = 2494526496. Its totient is φ = 707701560.

The previous prime is 1420423409. The next prime is 1420423421. The reversal of 1420423412 is 2143240241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626264 + ... + 628527.

It is an arithmetic number, because the mean of its divisors is an integer number (207877208).

Almost surely, 21420423412 is an apocalyptic number.

It is an amenable number.

1420423412 is a deficient number, since it is larger than the sum of its proper divisors (1074103084).

1420423412 is a wasteful number, since it uses less digits than its factorization.

1420423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255078 (or 1255076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1420423412 is about 37688.5050380086. The cubic root of 1420423412 is about 1124.1025697611.

Adding to 1420423412 its reverse (2143240241), we get a palindrome (3563663653).

The spelling of 1420423412 in words is "one billion, four hundred twenty million, four hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 283 566 1132 1254791 2509582 5019164 355105853 710211706 1420423412