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561473741 = 4791172179
BaseRepresentation
bin100001011101110…
…110100011001101
31110010111211011202
4201131312203031
52122214124431
6131414155245
716625306453
oct4135664315
91403454152
10561473741
11268a34594
12138052b25
138c429aaa
14547d89d3
153445c8cb
hex217768cd

561473741 has 4 divisors (see below), whose sum is σ = 562646400. Its totient is φ = 560301084.

The previous prime is 561473663. The next prime is 561473753. The reversal of 561473741 is 147374165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561473741 - 214 = 561457357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561473695 and 561473704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561473771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585611 + ... + 586568.

It is an arithmetic number, because the mean of its divisors is an integer number (140661600).

Almost surely, 2561473741 is an apocalyptic number.

It is an amenable number.

561473741 is a deficient number, since it is larger than the sum of its proper divisors (1172659).

561473741 is a wasteful number, since it uses less digits than its factorization.

561473741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172658.

The product of its digits is 70560, while the sum is 38.

The square root of 561473741 is about 23695.4371346046. The cubic root of 561473741 is about 824.9794869708.

The spelling of 561473741 in words is "five hundred sixty-one million, four hundred seventy-three thousand, seven hundred forty-one".

Divisors: 1 479 1172179 561473741