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1021444230 = 23534048141
BaseRepresentation
bin111100111000100…
…000000010000110
32122012000202001210
4330320200002012
54042442203410
6245205032250
734212063342
oct7470400206
92565022053
101021444230
11484640194
122460b5686
13133807a91
1499930622
155ea1a220
hex3ce20086

1021444230 has 16 divisors (see below), whose sum is σ = 2451466224. Its totient is φ = 272385120.

The previous prime is 1021444223. The next prime is 1021444261. The reversal of 1021444230 is 324441201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021444197 and 1021444206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17024041 + ... + 17024100.

It is an arithmetic number, because the mean of its divisors is an integer number (153216639).

Almost surely, 21021444230 is an apocalyptic number.

1021444230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021444230 is an abundant number, since it is smaller than the sum of its proper divisors (1430021994).

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

1021444230 is a wasteful number, since it uses less digits than its factorization.

1021444230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048151.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1021444230 is about 31960.0411451550. The cubic root of 1021444230 is about 1007.0975818172.

Adding to 1021444230 its reverse (324441201), we get a palindrome (1345885431).

The spelling of 1021444230 in words is "one billion, twenty-one million, four hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 34048141 68096282 102144423 170240705 204288846 340481410 510722115 1021444230