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1023031230 = 235132623157
BaseRepresentation
bin111100111110100…
…011011110111110
32122022000101000120
4330332203132332
54043343444410
6245303035410
734231423224
oct7476433676
92568011016
101023031230
11485524561
1224673bb66
13133c42230
1499c24b14
155ec30570
hex3cfa37be

1023031230 has 32 divisors (see below), whose sum is σ = 2644143264. Its totient is φ = 251822976.

The previous prime is 1023031223. The next prime is 1023031333. The reversal of 1023031230 is 321303201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311189 + ... + 1311968.

It is an arithmetic number, because the mean of its divisors is an integer number (82629477).

Almost surely, 21023031230 is an apocalyptic number.

1023031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023031230 is an abundant number, since it is smaller than the sum of its proper divisors (1621112034).

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

1023031230 is a wasteful number, since it uses less digits than its factorization.

1023031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623180.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1023031230 is about 31984.8593869037. The cubic root of 1023031230 is about 1007.6188818868.

Adding to 1023031230 its reverse (321303201), we get a palindrome (1344334431).

The spelling of 1023031230 in words is "one billion, twenty-three million, thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 2623157 5246314 7869471 13115785 15738942 26231570 34101041 39347355 68202082 78694710 102303123 170505205 204606246 341010410 511515615 1023031230