Search a number
-
+
231496633 = 17235311171
BaseRepresentation
bin11011100110001…
…01101110111001
3121010121020200101
431303011232321
5433230343013
634545435401
75510455204
oct1563055671
9533536611
10231496633
11109745935
126563bb61
1338c64574
1422a6093b
15154cb8dd
hexdcc5bb9

231496633 has 16 divisors (see below), whose sum is σ = 260620416. Its totient is φ = 204455680.

The previous prime is 231496621. The next prime is 231496669. The reversal of 231496633 is 336694132.

It is a cyclic number.

It is not a de Polignac number, because 231496633 - 213 = 231488441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231496592 and 231496601.

It is not an unprimeable number, because it can be changed into a prime (231496613) 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 15 ways as a sum of consecutive naturals, for example, 15138 + ... + 26308.

It is an arithmetic number, because the mean of its divisors is an integer number (16288776).

Almost surely, 2231496633 is an apocalyptic number.

231496633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231496633 is a deficient number, since it is larger than the sum of its proper divisors (29123783).

231496633 is a wasteful number, since it uses less digits than its factorization.

231496633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264.

The product of its digits is 69984, while the sum is 37.

The square root of 231496633 is about 15215.0134078153. The cubic root of 231496633 is about 614.0186459623.

The spelling of 231496633 in words is "two hundred thirty-one million, four hundred ninety-six thousand, six hundred thirty-three".

Divisors: 1 17 23 53 391 901 1219 11171 20723 189907 256933 592063 4367861 10065071 13617449 231496633