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25038090 = 23257113613
BaseRepresentation
bin101111110000…
…0110100001010
31202010001210200
41133200310022
522402204330
62252353030
7422551230
oct137406412
952101720
1025038090
1113151540
128475776
13525864c
14347a950
1522e8a60
hex17e0d0a

25038090 has 96 divisors (see below), whose sum is σ = 81184896. Its totient is φ = 5201280.

The previous prime is 25038077. The next prime is 25038113. The reversal of 25038090 is 9083052.

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, 5124 + ... + 8736.

It is an arithmetic number, because the mean of its divisors is an integer number (845676).

Almost surely, 225038090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25038090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40592448).

25038090 is an abundant number, since it is smaller than the sum of its proper divisors (56146806).

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

25038090 is a wasteful number, since it uses less digits than its factorization.

25038090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 25038090 is about 5003.8075502561. The cubic root of 25038090 is about 292.5501995805.

The spelling of 25038090 in words is "twenty-five million, thirty-eight thousand, ninety".

Divisors: 1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 55 63 66 70 77 90 99 105 110 126 154 165 198 210 231 315 330 385 462 495 630 693 770 990 1155 1386 2310 3465 3613 6930 7226 10839 18065 21678 25291 32517 36130 39743 50582 54195 65034 75873 79486 108390 119229 126455 151746 162585 198715 227619 238458 252910 278201 325170 357687 379365 397430 455238 556402 596145 715374 758730 834603 1138095 1192290 1391005 1669206 1788435 2276190 2503809 2782010 3576870 4173015 5007618 8346030 12519045 25038090