Search a number
-
+
25481034 = 233471871
BaseRepresentation
bin110000100110…
…0111101001010
31202221120102000
41201030331022
523010343114
62310051430
7426404505
oct141147512
952846360
1025481034
1113424307
128649b76
135382147
14355413c
152384e09
hex184cf4a

25481034 has 16 divisors (see below), whose sum is σ = 56624640. Its totient is φ = 8493660.

The previous prime is 25481023. The next prime is 25481047. The reversal of 25481034 is 43018452.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25480989 and 25481007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235882 + ... + 235989.

It is an arithmetic number, because the mean of its divisors is an integer number (3539040).

Almost surely, 225481034 is an apocalyptic number.

25481034 is an abundant number, since it is smaller than the sum of its proper divisors (31143606).

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

25481034 is a wasteful number, since it uses less digits than its factorization.

25481034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471882 (or 471876 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25481034 is about 5047.8742060396. The cubic root of 25481034 is about 294.2652749406.

Adding to 25481034 its reverse (43018452), we get a palindrome (68499486).

The spelling of 25481034 in words is "twenty-five million, four hundred eighty-one thousand, thirty-four".

Divisors: 1 2 3 6 9 18 27 54 471871 943742 1415613 2831226 4246839 8493678 12740517 25481034