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1021140230 = 25119283093
BaseRepresentation
bin111100110111010…
…101110100000110
32122011110022001112
4330313111310012
54042402441410
6245154325022
734206356135
oct7467256406
92564408045
101021140230
11484452850
12245b89772
1313372c5b6
149989191c
155e9aa105
hex3cdd5d06

1021140230 has 16 divisors (see below), whose sum is σ = 2005148304. Its totient is φ = 371323680.

The previous prime is 1021140229. The next prime is 1021140259. The reversal of 1021140230 is 320411201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4641437 + ... + 4641656.

It is an arithmetic number, because the mean of its divisors is an integer number (125321769).

Almost surely, 21021140230 is an apocalyptic number.

1021140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021140230 is a deficient number, since it is larger than the sum of its proper divisors (984008074).

1021140230 is a wasteful number, since it uses less digits than its factorization.

1021140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9283111.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021140230 is about 31955.2848524309. The cubic root of 1021140230 is about 1006.9976618433.

Adding to 1021140230 its reverse (320411201), we get a palindrome (1341551431).

The spelling of 1021140230 in words is "one billion, twenty-one million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 9283093 18566186 46415465 92830930 102114023 204228046 510570115 1021140230