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648053 = 7432153
BaseRepresentation
bin10011110001101110101
31012220221222
42132031311
5131214203
621520125
75336240
oct2361565
91186858
10648053
1140298a
12273045
13198c83
1412c257
15cc038
hex9e375

648053 has 8 divisors (see below), whose sum is σ = 758208. Its totient is φ = 542304.

The previous prime is 648047. The next prime is 648059. The reversal of 648053 is 350846.

It is an interprime number because it is at equal distance from previous prime (648047) and next prime (648059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 648053 - 212 = 643957 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 (648059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (94776).

2648053 is an apocalyptic number.

It is an amenable number.

648053 is a deficient number, since it is larger than the sum of its proper divisors (110155).

648053 is a wasteful number, since it uses less digits than its factorization.

648053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 648053 is about 805.0173911165. The cubic root of 648053 is about 86.5373333895.

Adding to 648053 its reverse (350846), we get a palindrome (998899).

The spelling of 648053 in words is "six hundred forty-eight thousand, fifty-three".

Divisors: 1 7 43 301 2153 15071 92579 648053