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1200330230 = 251131834241
BaseRepresentation
bin100011110001011…
…1001010111110110
310002122122002112012
41013202321113312
54424241031410
6315035124222
741513432021
oct10742712766
93078562465
101200330230
11566611960
12295ba3672
131618ab898
14b55b81b8
15705a3605
hex478b95f6

1200330230 has 64 divisors (see below), whose sum is σ = 2462939136. Its totient is φ = 417216000.

The previous prime is 1200330221. The next prime is 1200330253. The reversal of 1200330230 is 320330021.

It is a super-2 number, since 2×12003302302 = 2881585322103705800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280910 + ... + 285150.

It is an arithmetic number, because the mean of its divisors is an integer number (38483424).

Almost surely, 21200330230 is an apocalyptic number.

1200330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200330230 is an abundant number, since it is smaller than the sum of its proper divisors (1262608906).

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

1200330230 is a wasteful number, since it uses less digits than its factorization.

1200330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1200330230 is about 34645.7822829850. The cubic root of 1200330230 is about 1062.7560385032.

Adding to 1200330230 its reverse (320330021), we get a palindrome (1520660251).

The spelling of 1200330230 in words is "one billion, two hundred million, three hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 83 110 155 166 310 341 415 682 830 913 1705 1826 2573 3410 4241 4565 5146 8482 9130 12865 21205 25730 28303 42410 46651 56606 93302 131471 141515 233255 262942 283030 352003 466510 657355 704006 1314710 1446181 1760015 2892362 3520030 3872033 7230905 7744066 10912093 14461810 19360165 21824186 38720330 54560465 109120930 120033023 240066046 600165115 1200330230