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1030440258 = 23321298963
BaseRepresentation
bin111101011010110…
…100010101000010
32122210221210022000
4331122310111002
54102243042013
6250125524430
734351412001
oct7532642502
92583853260
101030440258
11489725021
12249113716
13135637683
149abd2c38
15606e5973
hex3d6b4542

1030440258 has 32 divisors (see below), whose sum is σ = 2291198400. Its totient is φ = 343280448.

The previous prime is 1030440239. The next prime is 1030440259. The reversal of 1030440258 is 8520440301.

1030440258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1030440259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110485 + ... + 119447.

It is an arithmetic number, because the mean of its divisors is an integer number (71599950).

Almost surely, 21030440258 is an apocalyptic number.

1030440258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1030440258 is an abundant number, since it is smaller than the sum of its proper divisors (1260758142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030440258 is a wasteful number, since it uses less digits than its factorization.

1030440258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103 (or 11097 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1030440258 is about 32100.4713049513. The cubic root of 1030440258 is about 1010.0455026391.

Adding to 1030440258 its reverse (8520440301), we get a palindrome (9550880559).

The spelling of 1030440258 in words is "one billion, thirty million, four hundred forty thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 2129 4258 6387 8963 12774 17926 19161 26889 38322 53778 57483 80667 114966 161334 242001 484002 19082227 38164454 57246681 114493362 171740043 343480086 515220129 1030440258