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2406748561 = 72711268713
BaseRepresentation
bin1000111101110100…
…0001000110010001
320012201201111100121
42033131001012101
514412111423221
61034452550241
7113433011440
oct21735010621
96181644317
102406748561
1110256018a8
12572022381
132c480c599
1418b8d8d57
15e145aa41
hex8f741191

2406748561 has 8 divisors (see below), whose sum is σ = 2760721664. Its totient is φ = 2055313440.

The previous prime is 2406748549. The next prime is 2406748579. The reversal of 2406748561 is 1658476042.

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

It is a cyclic number.

It is not a de Polignac number, because 2406748561 - 29 = 2406748049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2406748511) 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, 632460 + ... + 636253.

It is an arithmetic number, because the mean of its divisors is an integer number (345090208).

Almost surely, 22406748561 is an apocalyptic number.

It is an amenable number.

2406748561 is a deficient number, since it is larger than the sum of its proper divisors (353973103).

2406748561 is a wasteful number, since it uses less digits than its factorization.

2406748561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268991.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2406748561 is about 49058.6237169369. The cubic root of 2406748561 is about 1340.1196449566.

The spelling of 2406748561 in words is "two billion, four hundred six million, seven hundred forty-eight thousand, five hundred sixty-one".

Divisors: 1 7 271 1897 1268713 8880991 343821223 2406748561