Search a number
-
+
1056524261 = 13440918433
BaseRepresentation
bin111110111110010…
…100011111100101
32201122000222211012
4332332110133211
54130432234021
6252500552005
735116210442
oct7676243745
92648028735
101056524261
114a2420351
122559b2605
1313ab6b0b0
14a04629c9
1562b4935b
hex3ef947e5

1056524261 has 8 divisors (see below), whose sum is σ = 1138115160. Its totient is φ = 974979072.

The previous prime is 1056524257. The next prime is 1056524263. The reversal of 1056524261 is 1624256501.

It can be written as a sum of positive squares in 4 ways, for example, as 664225 + 1055860036 = 815^2 + 32494^2 .

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 1056524261 - 22 = 1056524257 is a prime.

It is a super-3 number, since 3×10565242613 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056524263) 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, 48101 + ... + 66533.

It is an arithmetic number, because the mean of its divisors is an integer number (142264395).

Almost surely, 21056524261 is an apocalyptic number.

It is an amenable number.

1056524261 is a deficient number, since it is larger than the sum of its proper divisors (81590899).

1056524261 is a wasteful number, since it uses less digits than its factorization.

1056524261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22855.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1056524261 is about 32504.2191261381. The cubic root of 1056524261 is about 1018.4971656254.

The spelling of 1056524261 in words is "one billion, fifty-six million, five hundred twenty-four thousand, two hundred sixty-one".

Divisors: 1 13 4409 18433 57317 239629 81271097 1056524261