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230391483 = 3722383821
BaseRepresentation
bin11011011101101…
…11111010111011
3121001112002200220
431232313322323
5432440011413
634510031123
75465203200
oct1556677273
9531462626
10230391483
11109060593
12651a84a3
133896852a
1422853ca7
151535e223
hexdbb7ebb

230391483 has 48 divisors (see below), whose sum is σ = 377830656. Its totient is φ = 124259520.

The previous prime is 230391409. The next prime is 230391503. The reversal of 230391483 is 384193032.

It is a happy number.

It is not a de Polignac number, because 230391483 - 213 = 230383291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230391383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280213 + ... + 281033.

It is an arithmetic number, because the mean of its divisors is an integer number (7871472).

Almost surely, 2230391483 is an apocalyptic number.

230391483 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230391483 is a deficient number, since it is larger than the sum of its proper divisors (147439173).

230391483 is a wasteful number, since it uses less digits than its factorization.

230391483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 230391483 is about 15178.6522128943. The cubic root of 230391483 is about 613.0399918201.

The spelling of 230391483 in words is "two hundred thirty million, three hundred ninety-one thousand, four hundred eighty-three".

Divisors: 1 3 7 21 23 49 69 83 147 161 249 483 581 821 1127 1743 1909 2463 3381 4067 5727 5747 12201 13363 17241 18883 40089 40229 56649 68143 93541 120687 132181 204429 280623 396543 477001 925267 1431003 1567289 2775801 3339007 4701867 10017021 10971023 32913069 76797161 230391483