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1525030001 = 11271950989
BaseRepresentation
bin101101011100110…
…0001110001110001
310221021121112212122
41122321201301301
511110401430001
6411154404025
752535353415
oct13271416161
93837545778
101525030001
11712926680
12366890615
131b3c47021
1410677ad45
158dd40b1b
hex5ae61c71

1525030001 has 8 divisors (see below), whose sum is σ = 1664313600. Its totient is φ = 1385853840.

The previous prime is 1525029991. The next prime is 1525030043. The reversal of 1525030001 is 1000305251.

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 1525030001 - 222 = 1520835697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1525030061) 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, 4415 + ... + 55403.

It is an arithmetic number, because the mean of its divisors is an integer number (208039200).

Almost surely, 21525030001 is an apocalyptic number.

1525030001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1525030001 is a deficient number, since it is larger than the sum of its proper divisors (139283599).

1525030001 is a wasteful number, since it uses less digits than its factorization.

1525030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53719.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1525030001 is about 39051.6325010876. The cubic root of 1525030001 is about 1151.0463069788.

Adding to 1525030001 its reverse (1000305251), we get a palindrome (2525335252).

The spelling of 1525030001 in words is "one billion, five hundred twenty-five million, thirty thousand, one".

Divisors: 1 11 2719 29909 50989 560879 138639091 1525030001