Search a number
-
+
25166260 = 2257199461
BaseRepresentation
bin110000000000…
…0000110110100
31202100120121201
41200000012310
522420310020
62255222244
7423624010
oct140000664
952316551
1025166260
1113229869
128517984
1352a1aa2
1434b1540
152321a0a
hex18001b4

25166260 has 48 divisors (see below), whose sum is σ = 63584640. Its totient is φ = 8173440.

The previous prime is 25166257. The next prime is 25166269. The reversal of 25166260 is 6266152.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25166269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (1324680).

Almost surely, 225166260 is an apocalyptic number.

25166260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25166260 is an abundant number, since it is smaller than the sum of its proper divisors (38418380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25166260 is a wasteful number, since it uses less digits than its factorization.

25166260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9496 (or 9494 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25166260 is about 5016.5984491486. The cubic root of 25166260 is about 293.0485384376.

The spelling of 25166260 in words is "twenty-five million, one hundred sixty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 9461 18922 37844 47305 66227 94610 132454 179759 189220 264908 331135 359518 662270 719036 898795 1258313 1324540 1797590 2516626 3595180 5033252 6291565 12583130 25166260