Search a number
-
+
1056798223 = 13209938729
BaseRepresentation
bin111110111111010…
…111011000001111
32201122112220121221
4332333113120033
54131020020343
6252510504211
735121431245
oct7677273017
92648486557
101056798223
114a2598168
12255b05067
1313ac359c0
14a04d4795
1562ba05ed
hex3efd760f

1056798223 has 8 divisors (see below), whose sum is σ = 1138662000. Its totient is φ = 975016128.

The previous prime is 1056798209. The next prime is 1056798257. The reversal of 1056798223 is 3228976501.

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 1056798223 - 225 = 1023243791 is a prime.

It is a super-2 number, since 2×10567982232 = 2233644968271915458, which contains 22 as substring.

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 1056798223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056798203) 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, 7923 + ... + 46651.

It is an arithmetic number, because the mean of its divisors is an integer number (142332750).

Almost surely, 21056798223 is an apocalyptic number.

1056798223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1056798223 is a deficient number, since it is larger than the sum of its proper divisors (81863777).

1056798223 is a wasteful number, since it uses less digits than its factorization.

1056798223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40841.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1056798223 is about 32508.4331058881. The cubic root of 1056798223 is about 1018.5851918123.

The spelling of 1056798223 in words is "one billion, fifty-six million, seven hundred ninety-eight thousand, two hundred twenty-three".

Divisors: 1 13 2099 27287 38729 503477 81292171 1056798223