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1351204230 = 235238922003
BaseRepresentation
bin101000010001001…
…1011110110000110
310111011112021202010
41100202123312012
510231402013410
6342024555050
745325021635
oct12042336606
93434467663
101351204230
116337a0812
12318622a86
13186c2553c
14cb64d51c
157d956c20
hex5089bd86

1351204230 has 64 divisors (see below), whose sum is σ = 3422062080. Its totient is φ = 340766976.

The previous prime is 1351204219. The next prime is 1351204237. The reversal of 1351204230 is 324021531.

It is a junction number, because it is equal to n+sod(n) for n = 1351204197 and 1351204206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351204237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50409 + ... + 72411.

It is an arithmetic number, because the mean of its divisors is an integer number (53469720).

Almost surely, 21351204230 is an apocalyptic number.

1351204230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351204230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711031040).

1351204230 is an abundant number, since it is smaller than the sum of its proper divisors (2070857850).

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

1351204230 is a wasteful number, since it uses less digits than its factorization.

1351204230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22125.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1351204230 is about 36758.7299835019. The cubic root of 1351204230 is about 1105.5379757237.

Adding to 1351204230 its reverse (324021531), we get a palindrome (1675225761).

The spelling of 1351204230 in words is "one billion, three hundred fifty-one million, two hundred four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 89 115 138 178 230 267 345 445 534 690 890 1335 2047 2670 4094 6141 10235 12282 20470 22003 30705 44006 61410 66009 110015 132018 220030 330045 506069 660090 1012138 1518207 1958267 2530345 3036414 3916534 5060690 5874801 7591035 9791335 11749602 15182070 19582670 29374005 45040141 58748010 90080282 135120423 225200705 270240846 450401410 675602115 1351204230