Search a number
-
+
25530272 = 257910099
BaseRepresentation
bin110000101100…
…0111110100000
31210001001221122
41201120332200
523013432042
62311111412
7430001165
oct141307640
953031848
1025530272
11134582a9
128672568
13539b691
14356806c
1523947d2
hex1858fa0

25530272 has 24 divisors (see below), whose sum is σ = 50904000. Its totient is φ = 12602304.

The previous prime is 25530257. The next prime is 25530287. The reversal of 25530272 is 27203552.

It is an interprime number because it is at equal distance from previous prime (25530257) and next prime (25530287).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (2121000).

Almost surely, 225530272 is an apocalyptic number.

It is an amenable number.

25530272 is a deficient number, since it is larger than the sum of its proper divisors (25373728).

25530272 is a wasteful number, since it uses less digits than its factorization.

25530272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25530272 is about 5052.7489547770. The cubic root of 25530272 is about 294.4546930916.

The spelling of 25530272 in words is "twenty-five million, five hundred thirty thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 79 158 316 632 1264 2528 10099 20198 40396 80792 161584 323168 797821 1595642 3191284 6382568 12765136 25530272