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1423093642 = 22110133721
BaseRepresentation
bin101010011010010…
…1010111110001010
310200011210122110221
41110310222332022
510403302444032
6353113500254
750160045025
oct12464527612
93604718427
101423093642
11670332353
1233871168a
13198aa6059
14d70041bc
1584e07597
hex54d2af8a

1423093642 has 8 divisors (see below), whose sum is σ = 2134804932. Its totient is φ = 711492000.

The previous prime is 1423093627. The next prime is 1423093699. The reversal of 1423093642 is 2463903241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1141155961 + 281937681 = 33781^2 + 16791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1423093598 and 1423093607.

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, 25342 + ... + 59062.

Almost surely, 21423093642 is an apocalyptic number.

1423093642 is a deficient number, since it is larger than the sum of its proper divisors (711711290).

1423093642 is a wasteful number, since it uses less digits than its factorization.

1423093642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54824.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1423093642 is about 37723.9133972073. The cubic root of 1423093642 is about 1124.8065226454.

Adding to 1423093642 its reverse (2463903241), we get a palindrome (3886996883).

The spelling of 1423093642 in words is "one billion, four hundred twenty-three million, ninety-three thousand, six hundred forty-two".

Divisors: 1 2 21101 33721 42202 67442 711546821 1423093642