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1230955441 = 27117892539
BaseRepresentation
bin100100101011110…
…1110001110110001
310011210021000102021
41021113232032301
510010111033231
6322051351441
742334643242
oct11127561661
93153230367
101230955441
1158192a051
122a42b2581
13168042301
14b96aacc9
1573102811
hex495ee3b1

1230955441 has 8 divisors (see below), whose sum is σ = 1236675200. Its totient is φ = 1225244880.

The previous prime is 1230955403. The next prime is 1230955447. The reversal of 1230955441 is 1445590321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230955441 - 227 = 1096737713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230955397 and 1230955406.

It is not an unprimeable number, because it can be changed into a prime (1230955447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483550 + ... + 486088.

It is an arithmetic number, because the mean of its divisors is an integer number (154584400).

Almost surely, 21230955441 is an apocalyptic number.

It is an amenable number.

1230955441 is a deficient number, since it is larger than the sum of its proper divisors (5719759).

1230955441 is a wasteful number, since it uses less digits than its factorization.

1230955441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1230955441 is about 35084.9745760204. The cubic root of 1230955441 is about 1071.7186230699.

The spelling of 1230955441 in words is "one billion, two hundred thirty million, nine hundred fifty-five thousand, four hundred forty-one".

Divisors: 1 271 1789 2539 484819 688069 4542271 1230955441