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1045201427 = 1975305591
BaseRepresentation
bin111110010011001…
…000001000010011
32200211201201210222
4332103020020103
54120032421202
6251414143255
734621031324
oct7623101023
92624651728
101045201427
11496a97336
12252051b2b
131387053aa
149cb5644b
1561b5e4a2
hex3e4c8213

1045201427 has 4 divisors (see below), whose sum is σ = 1050507216. Its totient is φ = 1039895640.

The previous prime is 1045201411. The next prime is 1045201433. The reversal of 1045201427 is 7241025401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7241025401 = 8017790313.

It is a cyclic number.

It is not a de Polignac number, because 1045201427 - 24 = 1045201411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045201396 and 1045201405.

It is not an unprimeable number, because it can be changed into a prime (1045201127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652599 + ... + 2652992.

It is an arithmetic number, because the mean of its divisors is an integer number (262626804).

Almost surely, 21045201427 is an apocalyptic number.

1045201427 is a deficient number, since it is larger than the sum of its proper divisors (5305789).

1045201427 is an equidigital number, since it uses as much as digits as its factorization.

1045201427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305788.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1045201427 is about 32329.5751131994. The cubic root of 1045201427 is about 1014.8456581386.

Adding to 1045201427 its reverse (7241025401), we get a palindrome (8286226828).

The spelling of 1045201427 in words is "one billion, forty-five million, two hundred one thousand, four hundred twenty-seven".

Divisors: 1 197 5305591 1045201427