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230671610 = 25133135669
BaseRepresentation
bin11011011111111…
…00010011111010
3121002001022221222
431233330103322
5433022442420
634520032042
75500450661
oct1557742372
9532038858
10230671610
11109231aa4
1265302622
1338a35ba0
14228c7dd8
15153b7225
hexdbfc4fa

230671610 has 32 divisors (see below), whose sum is σ = 448655760. Its totient is φ = 84883968.

The previous prime is 230671603. The next prime is 230671619. The reversal of 230671610 is 16176032.

It can be written as a sum of positive squares in 8 ways, for example, as 208849 + 230462761 = 457^2 + 15181^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 230671610.

It is not an unprimeable number, because it can be changed into a prime (230671619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37856 + ... + 43524.

Almost surely, 2230671610 is an apocalyptic number.

230671610 is a deficient number, since it is larger than the sum of its proper divisors (217984150).

230671610 is a wasteful number, since it uses less digits than its factorization.

230671610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 230671610 is about 15187.8770735083. The cubic root of 230671610 is about 613.2883509727.

The spelling of 230671610 in words is "two hundred thirty million, six hundred seventy-one thousand, six hundred ten".

Divisors: 1 2 5 10 13 26 65 130 313 626 1565 3130 4069 5669 8138 11338 20345 28345 40690 56690 73697 147394 368485 736970 1774397 3548794 8871985 17743970 23067161 46134322 115335805 230671610