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655048 = 23372213
BaseRepresentation
bin10011111111011001000
31020021120001
42133323020
5131430143
622012344
75365522
oct2377310
91207501
10655048
11408169
122770b4
1319c204
14130a12
15ce14d
hex9fec8

655048 has 16 divisors (see below), whose sum is σ = 1261980. Its totient is φ = 318528.

The previous prime is 655043. The next prime is 655069. The reversal of 655048 is 840556.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 195364 = 678^2 + 442^2 .

It is not an unprimeable number, because it can be changed into a prime (655043) by changing a digit.

655048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811 + ... + 1402.

2655048 is an apocalyptic number.

It is an amenable number.

655048 is a deficient number, since it is larger than the sum of its proper divisors (606932).

655048 is a wasteful number, since it uses less digits than its factorization.

655048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 655048 is about 809.3503567677. The cubic root of 655048 is about 86.8475773911.

The spelling of 655048 in words is "six hundred fifty-five thousand, forty-eight".

Divisors: 1 2 4 8 37 74 148 296 2213 4426 8852 17704 81881 163762 327524 655048