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485457637 = 769351091
BaseRepresentation
bin11100111011110…
…111111011100101
31020211110210200111
4130323313323211
51443234121022
6120101013021
715013215250
oct3473677345
91224423614
10485457637
1122a034565
121166b4171
1379762b52
144868c097
152c944477
hex1cef7ee5

485457637 has 4 divisors (see below), whose sum is σ = 554808736. Its totient is φ = 416106540.

The previous prime is 485457587. The next prime is 485457641. The reversal of 485457637 is 736754584.

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 a de Polignac number, because none of the positive numbers 2k-485457637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485457667) 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, 34675539 + ... + 34675552.

It is an arithmetic number, because the mean of its divisors is an integer number (138702184).

Almost surely, 2485457637 is an apocalyptic number.

It is an amenable number.

485457637 is a deficient number, since it is larger than the sum of its proper divisors (69351099).

485457637 is an equidigital number, since it uses as much as digits as its factorization.

485457637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69351098.

The product of its digits is 2822400, while the sum is 49.

The square root of 485457637 is about 22033.1032085814. The cubic root of 485457637 is about 785.9298416704.

The spelling of 485457637 in words is "four hundred eighty-five million, four hundred fifty-seven thousand, six hundred thirty-seven".

Divisors: 1 7 69351091 485457637