Search a number
-
+
1001303230 = 251719417561
BaseRepresentation
bin111011101011101…
…010110010111110
32120210010110210211
4323223222302332
54022313200410
6243205223034
733545636254
oct7353526276
92523113724
101001303230
11474233a34
1223b401a7a
1312c5a5425
1496daa5d4
155cd8c68a
hex3baeacbe

1001303230 has 64 divisors (see below), whose sum is σ = 2058073920. Its totient is φ = 348364800.

The previous prime is 1001303221. The next prime is 1001303239. The reversal of 1001303230 is 323031001.

It is an interprime number because it is at equal distance from previous prime (1001303221) and next prime (1001303239).

It is a self number, because there is not a number n which added to its sum of digits gives 1001303230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001303239) 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, 128650 + ... + 136210.

It is an arithmetic number, because the mean of its divisors is an integer number (32157405).

Almost surely, 21001303230 is an apocalyptic number.

1001303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001303230 is an abundant number, since it is smaller than the sum of its proper divisors (1056770690).

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

1001303230 is a wasteful number, since it uses less digits than its factorization.

1001303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1001303230 is about 31643.3757680814. The cubic root of 1001303230 is about 1000.4342214245.

Adding to 1001303230 its reverse (323031001), we get a palindrome (1324334231).

The spelling of 1001303230 in words is "one billion, one million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 19 34 38 41 82 85 95 170 190 205 323 410 646 697 779 1394 1558 1615 3230 3485 3895 6970 7561 7790 13243 15122 26486 37805 66215 75610 128537 132430 143659 257074 287318 310001 620002 642685 718295 1285370 1436590 1550005 2442203 3100010 4884406 5270017 5890019 10540034 11780038 12211015 24422030 26350085 29450095 52700170 58900190 100130323 200260646 500651615 1001303230