Search a number
-
+
231600412 = 2257900103
BaseRepresentation
bin11011100110111…
…11000100011100
3121010210112001001
431303133010130
5433242203122
634552000044
75511366601
oct1563370434
9533715031
10231600412
111098068aa
1265690024
1338c9c884
1422a8a6a8
15154ec527
hexdcdf11c

231600412 has 6 divisors (see below), whose sum is σ = 405300728. Its totient is φ = 115800204.

The previous prime is 231600389. The next prime is 231600419. The reversal of 231600412 is 214006132.

It is a self number, because there is not a number n which added to its sum of digits gives 231600412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231600419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28950048 + ... + 28950055.

Almost surely, 2231600412 is an apocalyptic number.

It is an amenable number.

231600412 is a deficient number, since it is larger than the sum of its proper divisors (173700316).

231600412 is a wasteful number, since it uses less digits than its factorization.

231600412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57900107 (or 57900105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231600412 is about 15218.4234400282. The cubic root of 231600412 is about 614.1103862761.

Adding to 231600412 its reverse (214006132), we get a palindrome (445606544).

The spelling of 231600412 in words is "two hundred thirty-one million, six hundred thousand, four hundred twelve".

Divisors: 1 2 4 57900103 115800206 231600412