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1420354444 = 221055933629
BaseRepresentation
bin101010010101000…
…1110001110001100
310122222122111000011
41110222032032030
510402102320234
6352535043004
750124546025
oct12452161614
93588574004
101420354444
11669831353
12337810464
13198357322
14d68cdc4c
1584a65b64
hex54a8e38c

1420354444 has 12 divisors (see below), whose sum is σ = 2485929600. Its totient is φ = 710088848.

The previous prime is 1420354433. The next prime is 1420354511. The reversal of 1420354444 is 4444530241.

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, 25422 + ... + 59050.

It is an arithmetic number, because the mean of its divisors is an integer number (207160800).

Almost surely, 21420354444 is an apocalyptic number.

It is an amenable number.

1420354444 is a deficient number, since it is larger than the sum of its proper divisors (1065575156).

1420354444 is a wasteful number, since it uses less digits than its factorization.

1420354444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44192 (or 44190 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 1420354444 is about 37687.5900529604. The cubic root of 1420354444 is about 1124.0843760404.

Adding to 1420354444 its reverse (4444530241), we get a palindrome (5864884685).

The spelling of 1420354444 in words is "one billion, four hundred twenty million, three hundred fifty-four thousand, four hundred forty-four".

Divisors: 1 2 4 10559 21118 33629 42236 67258 134516 355088611 710177222 1420354444