Search a number
-
+
25078328 = 23111953283
BaseRepresentation
bin101111110101…
…0101000111000
31202012002222222
41133222220320
522410001303
62253303212
7423106442
oct137525070
952162888
1025078328
11131797a0
128494b08
135270a62
14348b492
152305938
hex17eaa38

25078328 has 64 divisors (see below), whose sum is σ = 55209600. Its totient is φ = 10558080.

The previous prime is 25078321. The next prime is 25078351. The reversal of 25078328 is 82387052.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25078321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88475 + ... + 88757.

It is an arithmetic number, because the mean of its divisors is an integer number (862650).

Almost surely, 225078328 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 25078328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27604800).

25078328 is an abundant number, since it is smaller than the sum of its proper divisors (30131272).

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

25078328 is a wasteful number, since it uses less digits than its factorization.

25078328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25078328 is about 5007.8266743169. The cubic root of 25078328 is about 292.7068320633.

The spelling of 25078328 in words is "twenty-five million, seventy-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 19 22 38 44 53 76 88 106 152 209 212 283 418 424 566 583 836 1007 1132 1166 1672 2014 2264 2332 3113 4028 4664 5377 6226 8056 10754 11077 12452 14999 21508 22154 24904 29998 43016 44308 59147 59996 88616 118294 119992 164989 236588 284981 329978 473176 569962 659956 1139924 1319912 2279848 3134791 6269582 12539164 25078328