Search a number
-
+
25433023 = 7113779113
BaseRepresentation
bin110000100000…
…1001110111111
31202212010112211
41201001032333
523002324043
62305041251
7426114520
oct141011677
952763484
1025433023
11133a1230
128626227
135366335
143540847
152375a9d
hex18413bf

25433023 has 32 divisors (see below), whose sum is σ = 33269760. Its totient is φ = 18869760.

The previous prime is 25433021. The next prime is 25433027. The reversal of 25433023 is 32033452.

It is not a de Polignac number, because 25433023 - 21 = 25433021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25432985 and 25433003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25433021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225015 + ... + 225127.

It is an arithmetic number, because the mean of its divisors is an integer number (1039680).

Almost surely, 225433023 is an apocalyptic number.

25433023 is a deficient number, since it is larger than the sum of its proper divisors (7836737).

25433023 is a wasteful number, since it uses less digits than its factorization.

25433023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 25433023 is about 5043.1163976256. The cubic root of 25433023 is about 294.0803419344.

Adding to 25433023 its reverse (32033452), we get a palindrome (57466475).

The spelling of 25433023 in words is "twenty-five million, four hundred thirty-three thousand, twenty-three".

Divisors: 1 7 11 37 77 79 113 259 407 553 791 869 1243 2849 2923 4181 6083 8701 8927 20461 29267 32153 45991 62489 98197 225071 321937 330299 687379 2312093 3633289 25433023