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1230628353 = 3509980449
BaseRepresentation
bin100100101011001…
…1110011000000001
310011202122101201220
41021112132120001
510010020101403
6322040345253
742332111523
oct11126363001
93152571656
101230628353
11581726329
122a4175229
13167c59476
14b9623a13
157308a953
hex4959e601

1230628353 has 8 divisors (see below), whose sum is σ = 1641180000. Its totient is φ = 820247808.

The previous prime is 1230628277. The next prime is 1230628361. The reversal of 1230628353 is 3538260321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230628353 - 28 = 1230628097 is a prime.

It is a super-2 number, since 2×12306283532 = 3028892286414985218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230628153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24928 + ... + 55521.

It is an arithmetic number, because the mean of its divisors is an integer number (205147500).

Almost surely, 21230628353 is an apocalyptic number.

It is an amenable number.

1230628353 is a deficient number, since it is larger than the sum of its proper divisors (410551647).

1230628353 is an equidigital number, since it uses as much as digits as its factorization.

1230628353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85551.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1230628353 is about 35080.3128976923. The cubic root of 1230628353 is about 1071.6236893995.

Adding to 1230628353 its reverse (3538260321), we get a palindrome (4768888674).

The spelling of 1230628353 in words is "one billion, two hundred thirty million, six hundred twenty-eight thousand, three hundred fifty-three".

Divisors: 1 3 5099 15297 80449 241347 410209451 1230628353