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1525200001 = 131031139059
BaseRepresentation
bin101101011101000…
…1011010010000001
310221021221012001221
41122322023102001
511110422400001
6411202155041
752536662143
oct13272132201
93837835057
101525200001
11712a32376
12366952a81
131b3ca6510
141067c2c93
158dd761a1
hex5ae8b481

1525200001 has 8 divisors (see below), whose sum is σ = 1658471360. Its totient is φ = 1394206992.

The previous prime is 1525199953. The next prime is 1525200011. The reversal of 1525200001 is 1000025251.

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 1525200001 - 27 = 1525199873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1525200011) 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, 568191 + ... + 570868.

It is an arithmetic number, because the mean of its divisors is an integer number (207308920).

Almost surely, 21525200001 is an apocalyptic number.

It is an amenable number.

1525200001 is a deficient number, since it is larger than the sum of its proper divisors (133271359).

1525200001 is a wasteful number, since it uses less digits than its factorization.

1525200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139175.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1525200001 is about 39053.8090459817. The cubic root of 1525200001 is about 1151.0890756679.

Adding to 1525200001 its reverse (1000025251), we get a palindrome (2525225252).

The spelling of 1525200001 in words is "one billion, five hundred twenty-five million, two hundred thousand, one".

Divisors: 1 13 103 1339 1139059 14807767 117323077 1525200001