Search a number
-
+
1425240101 = 17731279043
BaseRepresentation
bin101010011110011…
…0111000000100101
310200022211200212102
41110330313000211
510404330140401
6353231501445
750214224645
oct12474670045
93608750772
101425240101
11671568a8a
12339387885
1319937804c
14d7402525
15851cd56b
hex54f37025

1425240101 has 16 divisors (see below), whose sum is σ = 1541965824. Its totient is φ = 1312464384.

The previous prime is 1425240083. The next prime is 1425240121. The reversal of 1425240101 is 1010425241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1425240101 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 (1425240121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153086 + ... + 162128.

It is an arithmetic number, because the mean of its divisors is an integer number (96372864).

Almost surely, 21425240101 is an apocalyptic number.

It is an amenable number.

1425240101 is a deficient number, since it is larger than the sum of its proper divisors (116725723).

1425240101 is a wasteful number, since it uses less digits than its factorization.

1425240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1425240101 is about 37752.3522578395. The cubic root of 1425240101 is about 1125.3717555927.

Adding to 1425240101 its reverse (1010425241), we get a palindrome (2435665342).

The spelling of 1425240101 in words is "one billion, four hundred twenty-five million, two hundred forty thousand, one hundred one".

Divisors: 1 17 73 127 1241 2159 9043 9271 153731 157607 660139 1148461 11222363 19523837 83837653 1425240101