Search a number
-
+
25454104 = 2313267281
BaseRepresentation
bin110000100011…
…0011000011000
31202220012110121
41201012120120
523004012404
62305323024
7426233134
oct141063030
952805417
1025454104
1113406055
128636474
135372b00
1435483c4
15237be54
hex1846618

25454104 has 48 divisors (see below), whose sum is σ = 52638120. Its totient is φ = 11531520.

The previous prime is 25454101. The next prime is 25454111. The reversal of 25454104 is 40145452.

It is a happy number.

It is a super-2 number, since 2×254541042 = 1295822820885632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90444 + ... + 90724.

Almost surely, 225454104 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 25454104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26319060).

25454104 is an abundant number, since it is smaller than the sum of its proper divisors (27184016).

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

25454104 is a wasteful number, since it uses less digits than its factorization.

25454104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 25454104 is about 5045.2060413823. The cubic root of 25454104 is about 294.1615722255.

Adding to 25454104 its reverse (40145452), we get a palindrome (65599556).

The spelling of 25454104 in words is "twenty-five million, four hundred fifty-four thousand, one hundred four".

Divisors: 1 2 4 8 13 26 52 67 104 134 169 268 281 338 536 562 676 871 1124 1352 1742 2248 3484 3653 6968 7306 11323 14612 18827 22646 29224 37654 45292 47489 75308 90584 94978 150616 189956 244751 379912 489502 979004 1958008 3181763 6363526 12727052 25454104