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2270572561 = 19611959079
BaseRepresentation
bin1000011101010110…
…0011000000010001
312212020111001000001
42013111203000101
514122231310221
61013150130001
7110160356035
oct20725430021
95766431001
102270572561
11a65751854
125344b0901
132a254097a
141777ac1c5
15d450c391
hex87563011

2270572561 has 8 divisors (see below), whose sum is σ = 2429259200. Its totient is φ = 2115804240.

The previous prime is 2270572543. The next prime is 2270572567. The reversal of 2270572561 is 1652750722.

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 2270572561 - 25 = 2270572529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2270572561.

It is not an unprimeable number, because it can be changed into a prime (2270572567) 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, 978381 + ... + 980698.

It is an arithmetic number, because the mean of its divisors is an integer number (303657400).

Almost surely, 22270572561 is an apocalyptic number.

It is an amenable number.

2270572561 is a deficient number, since it is larger than the sum of its proper divisors (158686639).

2270572561 is a wasteful number, since it uses less digits than its factorization.

2270572561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959159.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 2270572561 is about 47650.5252961602. The cubic root of 2270572561 is about 1314.3523170536.

It can be divided in two parts, 22705 and 72561, that added together give a triangular number (95266 = T436).

The spelling of 2270572561 in words is "two billion, two hundred seventy million, five hundred seventy-two thousand, five hundred sixty-one".

Divisors: 1 19 61 1159 1959079 37222501 119503819 2270572561