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2245427561 = 13292759011
BaseRepresentation
bin1000010111010110…
…1000000101101001
312210111011112112202
42011311220011221
514044312140221
61010451145545
7106433551016
oct20565500551
95714145482
102245427561
11a52537a63
12527ba52b5
1329a278780
1417430470d
15d21e1d0b
hex85d68169

2245427561 has 8 divisors (see below), whose sum is σ = 2419019904. Its totient is φ = 2071959120.

The previous prime is 2245427519. The next prime is 2245427563. The reversal of 2245427561 is 1657245422.

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 2245427561 - 210 = 2245426537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245427563) 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, 8546 + ... + 67556.

It is an arithmetic number, because the mean of its divisors is an integer number (302377488).

Almost surely, 22245427561 is an apocalyptic number.

It is an amenable number.

2245427561 is a deficient number, since it is larger than the sum of its proper divisors (173592343).

2245427561 is a wasteful number, since it uses less digits than its factorization.

2245427561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61951.

The product of its digits is 134400, while the sum is 38.

The square root of 2245427561 is about 47385.9426518034. The cubic root of 2245427561 is about 1309.4824521620.

The spelling of 2245427561 in words is "two billion, two hundred forty-five million, four hundred twenty-seven thousand, five hundred sixty-one".

Divisors: 1 13 2927 38051 59011 767143 172725197 2245427561