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1420444414 = 25361219679
BaseRepresentation
bin101010010101010…
…0100001011111110
310122222211001102101
41110222210023332
510402113210124
6352541015314
750125402234
oct12452441376
93588731371
101420444414
11669892a04
1233785453a
1319838926c
14d6914954
1584a82644
hex54aa42fe

1420444414 has 16 divisors (see below), whose sum is σ = 2206465920. Its totient is φ = 685395360.

The previous prime is 1420444409. The next prime is 1420444423. The reversal of 1420444414 is 4144440241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103374 + ... + 116305.

It is an arithmetic number, because the mean of its divisors is an integer number (137904120).

Almost surely, 21420444414 is an apocalyptic number.

1420444414 is a deficient number, since it is larger than the sum of its proper divisors (786021506).

1420444414 is a wasteful number, since it uses less digits than its factorization.

1420444414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219795.

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 1420444414 is about 37688.7836630476. The cubic root of 1420444414 is about 1124.1081099603.

Adding to 1420444414 its reverse (4144440241), we get a palindrome (5564884655).

The spelling of 1420444414 in words is "one billion, four hundred twenty million, four hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 53 61 106 122 3233 6466 219679 439358 11642987 13400419 23285974 26800838 710222207 1420444414