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461561223 = 3991155251
BaseRepresentation
bin11011100000101…
…101110110000111
31012011111201222010
4123200231312013
51421124424343
6113444505303
714303130354
oct3340556607
91164451863
10461561223
112175a2862
1210a6ab233
1374817066
144542b62b
152a7c3d33
hex1b82dd87

461561223 has 8 divisors (see below), whose sum is σ = 616039936. Its totient is φ = 307395000.

The previous prime is 461561147. The next prime is 461561227. The reversal of 461561223 is 322165164.

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

It is not a de Polignac number, because 461561223 - 218 = 461299079 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 (461561227) 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, 74653 + ... + 80598.

It is an arithmetic number, because the mean of its divisors is an integer number (77004992).

Almost surely, 2461561223 is an apocalyptic number.

461561223 is a deficient number, since it is larger than the sum of its proper divisors (154478713).

461561223 is a wasteful number, since it uses less digits than its factorization.

461561223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156245.

The product of its digits is 8640, while the sum is 30.

The square root of 461561223 is about 21483.9759588396. The cubic root of 461561223 is about 772.8165935599.

The spelling of 461561223 in words is "four hundred sixty-one million, five hundred sixty-one thousand, two hundred twenty-three".

Divisors: 1 3 991 2973 155251 465753 153853741 461561223