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1453393969 = 12711444047
BaseRepresentation
bin101011010100001…
…0000100000110001
310202021211001201021
41112220100200301
510434032101334
6400115135441
751005434126
oct12650204061
93667731637
101453393969
11686448445
123468a4581
131a2154941
14db05074d
15878e03b4
hex56a10831

1453393969 has 4 divisors (see below), whose sum is σ = 1464838144. Its totient is φ = 1441949796.

The previous prime is 1453393967. The next prime is 1453393973. The reversal of 1453393969 is 9693933541.

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 1453393969 - 21 = 1453393967 is a prime.

It is a super-2 number, since 2×14533939692 = 4224708058251145922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453393967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721897 + ... + 5722150.

It is an arithmetic number, because the mean of its divisors is an integer number (366209536).

Almost surely, 21453393969 is an apocalyptic number.

It is an amenable number.

1453393969 is a deficient number, since it is larger than the sum of its proper divisors (11444175).

1453393969 is a wasteful number, since it uses less digits than its factorization.

1453393969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444174.

The product of its digits is 2361960, while the sum is 52.

The square root of 1453393969 is about 38123.4044780893. The cubic root of 1453393969 is about 1132.7336039083.

The spelling of 1453393969 in words is "one billion, four hundred fifty-three million, three hundred ninety-three thousand, nine hundred sixty-nine".

Divisors: 1 127 11444047 1453393969