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25055316 = 2232111331157
BaseRepresentation
bin101111110010…
…1000001010100
31202010221102200
41133211001110
522403232231
62253004500
7422652366
oct137450124
952127380
1025055316
1113163480
128483730
135263440
143482d36
1522edbe6
hex17e5054

25055316 has 144 divisors (see below), whose sum is σ = 77296128. Its totient is φ = 6739200.

The previous prime is 25055299. The next prime is 25055321. The reversal of 25055316 is 61355052.

It is a self number, because there is not a number n which added to its sum of digits gives 25055316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159510 + ... + 159666.

Almost surely, 225055316 is an apocalyptic number.

25055316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25055316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38648064).

25055316 is an abundant number, since it is smaller than the sum of its proper divisors (52240812).

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

25055316 is a wasteful number, since it uses less digits than its factorization.

25055316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 25055316 is about 5005.5285435207. The cubic root of 25055316 is about 292.6172749109.

The spelling of 25055316 in words is "twenty-five million, fifty-five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 31 33 36 39 44 52 62 66 78 93 99 117 124 132 143 156 157 186 198 234 279 286 314 341 372 396 403 429 468 471 558 572 628 682 806 858 942 1023 1116 1209 1287 1364 1413 1612 1716 1727 1884 2041 2046 2418 2574 2826 3069 3454 3627 4082 4092 4433 4836 4867 5148 5181 5652 6123 6138 6908 7254 8164 8866 9734 10362 12246 12276 13299 14508 14601 15543 17732 18369 19468 20724 22451 24492 26598 29202 31086 36738 39897 43803 44902 53196 53537 58404 62172 63271 67353 73476 79794 87606 89804 107074 126542 134706 159588 160611 175212 189813 202059 214148 253084 269412 321222 379626 404118 481833 569439 642444 695981 759252 808236 963666 1138878 1391962 1927332 2087943 2277756 2783924 4175886 6263829 8351772 12527658 25055316