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1453597957 = 7207656851
BaseRepresentation
bin101011010100100…
…0010010100000101
310202022012102112101
41112221002110011
510434110113312
6400123352101
751010243630
oct12651022405
93668172471
101453597957
11686577729
12346982631
131a21c6746
14db0a4c17
1587930a57
hex56a42505

1453597957 has 4 divisors (see below), whose sum is σ = 1661254816. Its totient is φ = 1245941100.

The previous prime is 1453597933. The next prime is 1453597963. The reversal of 1453597957 is 7597953541.

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 1453597957 - 219 = 1453073669 is a prime.

It is a super-2 number, since 2×14535979572 = 4225894041189147698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1453597898 and 1453597907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453597157) 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, 103828419 + ... + 103828432.

It is an arithmetic number, because the mean of its divisors is an integer number (415313704).

Almost surely, 21453597957 is an apocalyptic number.

It is an amenable number.

1453597957 is a deficient number, since it is larger than the sum of its proper divisors (207656859).

1453597957 is an equidigital number, since it uses as much as digits as its factorization.

1453597957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207656858.

The product of its digits is 5953500, while the sum is 55.

The square root of 1453597957 is about 38126.0797486445. The cubic root of 1453597957 is about 1132.7865955628.

The spelling of 1453597957 in words is "one billion, four hundred fifty-three million, five hundred ninety-seven thousand, nine hundred fifty-seven".

Divisors: 1 7 207656851 1453597957