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1442071245 = 3596138083
BaseRepresentation
bin101010111110100…
…0100001011001101
310201111111210212010
41111331010023031
510423132234440
6355032331433
750510255226
oct12575041315
93644453763
101442071245
1168001451a
12342b43b79
1319c9bbcc4
14d974424d
1586905580
hex55f442cd

1442071245 has 8 divisors (see below), whose sum is σ = 2307314016. Its totient is φ = 769104656.

The previous prime is 1442071243. The next prime is 1442071247. The reversal of 1442071245 is 5421702441.

It is an interprime number because it is at equal distance from previous prime (1442071243) and next prime (1442071247).

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

It is a cyclic number.

It is not a de Polignac number, because 1442071245 - 21 = 1442071243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442071243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48069027 + ... + 48069056.

It is an arithmetic number, because the mean of its divisors is an integer number (288414252).

Almost surely, 21442071245 is an apocalyptic number.

1442071245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442071245 is a deficient number, since it is larger than the sum of its proper divisors (865242771).

1442071245 is an equidigital number, since it uses as much as digits as its factorization.

1442071245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96138091.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 1442071245 is about 37974.6131645867. The cubic root of 1442071245 is about 1129.7843964357.

Adding to 1442071245 its reverse (5421702441), we get a palindrome (6863773686).

The spelling of 1442071245 in words is "one billion, four hundred forty-two million, seventy-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 96138083 288414249 480690415 1442071245