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1252300897 = 2423516839
BaseRepresentation
bin100101010100100…
…1001100001100001
310020021102110212201
41022221021201201
510031042112042
6324133053201
743014245011
oct11251114141
93207373781
101252300897
11592989221
122ab487201
1316c5a6c63
14bc465c41
1574e1c1b7
hex4aa49861

1252300897 has 4 divisors (see below), whose sum is σ = 1252820160. Its totient is φ = 1251781636.

The previous prime is 1252300871. The next prime is 1252300979. The reversal of 1252300897 is 7980032521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7980032521 = 67119104963.

It is a cyclic number.

It is not a de Polignac number, because 1252300897 - 211 = 1252298849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252300807) 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, 255997 + ... + 260842.

It is an arithmetic number, because the mean of its divisors is an integer number (313205040).

Almost surely, 21252300897 is an apocalyptic number.

It is an amenable number.

1252300897 is a deficient number, since it is larger than the sum of its proper divisors (519263).

1252300897 is an equidigital number, since it uses as much as digits as its factorization.

1252300897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519262.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1252300897 is about 35387.8636964709. The cubic root of 1252300897 is about 1077.8778908641.

The spelling of 1252300897 in words is "one billion, two hundred fifty-two million, three hundred thousand, eight hundred ninety-seven".

Divisors: 1 2423 516839 1252300897