Search a number
-
+
25672938 = 2310739989
BaseRepresentation
bin110000111101…
…1110011101010
31210022022122120
41201323303222
523033013223
62314132110
7431134134
oct141736352
953268576
1025672938
1113545505
128721036
13541b5b5
1435a4054
1523c1be3
hex187bcea

25672938 has 16 divisors (see below), whose sum is σ = 51827040. Its totient is φ = 8477456.

The previous prime is 25672921. The next prime is 25672939. The reversal of 25672938 is 83927652.

It is a self number, because there is not a number n which added to its sum of digits gives 25672938.

It is not an unprimeable number, because it can be changed into a prime (25672939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19353 + ... + 20636.

It is an arithmetic number, because the mean of its divisors is an integer number (3239190).

Almost surely, 225672938 is an apocalyptic number.

25672938 is an abundant number, since it is smaller than the sum of its proper divisors (26154102).

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

25672938 is a wasteful number, since it uses less digits than its factorization.

25672938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40101.

The product of its digits is 181440, while the sum is 42.

The square root of 25672938 is about 5066.8469485470. The cubic root of 25672938 is about 295.0021564527.

The spelling of 25672938 in words is "twenty-five million, six hundred seventy-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 107 214 321 642 39989 79978 119967 239934 4278823 8557646 12836469 25672938