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561348474 = 236110914071
BaseRepresentation
bin100001011101010…
…111111101111010
31110010021110100020
4201131113331322
52122201122344
6131411351310
716624245321
oct4135277572
91403243306
10561348474
11268959465
12137bb2536
138c3b4a7b
14547a50b8
1534435719
hex21757f7a

561348474 has 32 divisors (see below), whose sum is σ = 1151652480. Its totient is φ = 182347200.

The previous prime is 561348467. The next prime is 561348481. The reversal of 561348474 is 474843165.

It is an interprime number because it is at equal distance from previous prime (561348467) and next prime (561348481).

It is a super-2 number, since 2×5613484742 = 630224218524257352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32859 + ... + 46929.

It is an arithmetic number, because the mean of its divisors is an integer number (35989140).

Almost surely, 2561348474 is an apocalyptic number.

561348474 is an abundant number, since it is smaller than the sum of its proper divisors (590304006).

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

561348474 is a wasteful number, since it uses less digits than its factorization.

561348474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246.

The product of its digits is 322560, while the sum is 42.

The square root of 561348474 is about 23692.7937145454. The cubic root of 561348474 is about 824.9181303515.

The spelling of 561348474 in words is "five hundred sixty-one million, three hundred forty-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 61 109 122 183 218 327 366 654 6649 13298 14071 19947 28142 39894 42213 84426 858331 1533739 1716662 2574993 3067478 4601217 5149986 9202434 93558079 187116158 280674237 561348474