Search a number
-
+
25945952 = 252973383
BaseRepresentation
bin110001011111…
…0011101100000
31210211012011012
41202332131200
523120232302
62324040052
7433352114
oct142763540
953735135
1025945952
111371163a
128833028
1354b5946
143635744
152427a52
hex18be760

25945952 has 48 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 12321792.

The previous prime is 25945943. The next prime is 25945957. The reversal of 25945952 is 25954952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25945957) 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 7 ways as a sum of consecutive naturals, for example, 67553 + ... + 67935.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 225945952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25945952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853120).

25945952 is an abundant number, since it is smaller than the sum of its proper divisors (27760288).

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

25945952 is a wasteful number, since it uses less digits than its factorization.

25945952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 487 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 25945952 is about 5093.7169140030. The cubic root of 25945952 is about 296.0441862451.

The spelling of 25945952 in words is "twenty-five million, nine hundred forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 29 32 58 73 116 146 232 292 383 464 584 766 928 1168 1532 2117 2336 3064 4234 6128 8468 11107 12256 16936 22214 27959 33872 44428 55918 67744 88856 111836 177712 223672 355424 447344 810811 894688 1621622 3243244 6486488 12972976 25945952