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497773969 = 71161105977
BaseRepresentation
bin11101101010110…
…110110110010001
31021200122112111221
4131222312312101
52004412231334
6121221005041
715223003030
oct3552666621
91250575457
10497773969
11235a86a50
1211a853781
137c185b14
144a176717
152da788b4
hex1dab6d91

497773969 has 16 divisors (see below), whose sum is σ = 630781056. Its totient is φ = 381513600.

The previous prime is 497773967. The next prime is 497774003. The reversal of 497773969 is 969377794.

It is a cyclic number.

It is not a de Polignac number, because 497773969 - 21 = 497773967 is a prime.

It is a super-2 number, since 2×4977739692 = 495557848428025922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497773961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48292 + ... + 57685.

It is an arithmetic number, because the mean of its divisors is an integer number (39423816).

Almost surely, 2497773969 is an apocalyptic number.

It is an amenable number.

497773969 is a deficient number, since it is larger than the sum of its proper divisors (133007087).

497773969 is a wasteful number, since it uses less digits than its factorization.

497773969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106056.

The product of its digits is 18003384, while the sum is 61.

The square root of 497773969 is about 22310.8486839923. The cubic root of 497773969 is about 792.5209056837.

The spelling of 497773969 in words is "four hundred ninety-seven million, seven hundred seventy-three thousand, nine hundred sixty-nine".

Divisors: 1 7 11 61 77 427 671 4697 105977 741839 1165747 6464597 8160229 45252179 71110567 497773969