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561048 = 23397241
BaseRepresentation
bin10001000111110011000
31001111121120
42020332120
5120423143
620005240
74524465
oct2107630
91044546
10561048
11353584
12230820
131684a7
1410866c
15b1383
hex88f98

561048 has 32 divisors (see below), whose sum is σ = 1422960. Its totient is φ = 184320.

The previous prime is 561047. The next prime is 561053. The reversal of 561048 is 840165.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561047) 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, 2208 + ... + 2448.

2561048 is an apocalyptic number.

It is an amenable number.

561048 is an abundant number, since it is smaller than the sum of its proper divisors (861912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561048 is a wasteful number, since it uses less digits than its factorization.

561048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 561048 is about 749.0313745098. The cubic root of 561048 is about 82.4770918949.

The spelling of 561048 in words is "five hundred sixty-one thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 97 194 241 291 388 482 582 723 776 964 1164 1446 1928 2328 2892 5784 23377 46754 70131 93508 140262 187016 280524 561048