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1005331201 = 7143618743
BaseRepresentation
bin111011111011000…
…010001100000001
32121001201010010221
4323323002030001
54024331044301
6243431423041
733625113520
oct7373021401
92531633127
101005331201
11476535236
12240824a81
13130385944
14977384b7
155d3d5da1
hex3bec2301

1005331201 has 4 divisors (see below), whose sum is σ = 1148949952. Its totient is φ = 861712452.

The previous prime is 1005331177. The next prime is 1005331207. The reversal of 1005331201 is 1021335001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1005331201 - 215 = 1005298433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005331207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71809365 + ... + 71809378.

It is an arithmetic number, because the mean of its divisors is an integer number (287237488).

Almost surely, 21005331201 is an apocalyptic number.

It is an amenable number.

1005331201 is a deficient number, since it is larger than the sum of its proper divisors (143618751).

1005331201 is an equidigital number, since it uses as much as digits as its factorization.

1005331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143618750.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1005331201 is about 31706.9582426319. The cubic root of 1005331201 is about 1001.7739183530.

Adding to 1005331201 its reverse (1021335001), we get a palindrome (2026666202).

The spelling of 1005331201 in words is "one billion, five million, three hundred thirty-one thousand, two hundred one".

Divisors: 1 7 143618743 1005331201