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45281080 = 2351331532
BaseRepresentation
bin1010110010111…
…0111100111000
310011012111222001
42230232330320
543042443310
64254310344
71056611545
oct254567470
9104174861
1045281080
1123618389
12131b83b4
1394c5550
146029bcc
153e9693a
hex2b2ef38

45281080 has 96 divisors (see below), whose sum is σ = 115436160. Its totient is φ = 15874560.

The previous prime is 45281077. The next prime is 45281101. The reversal of 45281080 is 8018254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 854334 + ... + 854386.

It is an arithmetic number, because the mean of its divisors is an integer number (1202460).

Almost surely, 245281080 is an apocalyptic number.

45281080 is a gapful number since it is divisible by the number (40) 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 45281080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57718080).

45281080 is an abundant number, since it is smaller than the sum of its proper divisors (70155080).

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

45281080 is a wasteful number, since it uses less digits than its factorization.

45281080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 45281080 is about 6729.1217851960. The cubic root of 45281080 is about 356.4283653861.

The spelling of 45281080 in words is "forty-five million, two hundred eighty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 31 40 52 53 62 65 104 106 124 130 155 212 248 260 265 310 403 424 520 530 620 689 806 1060 1240 1378 1612 1643 2015 2120 2756 2809 3224 3286 3445 4030 5512 5618 6572 6890 8060 8215 11236 13144 13780 14045 16120 16430 21359 22472 27560 28090 32860 36517 42718 56180 65720 73034 85436 87079 106795 112360 146068 170872 174158 182585 213590 292136 348316 365170 427180 435395 696632 730340 854360 870790 1132027 1460680 1741580 2264054 3483160 4528108 5660135 9056216 11320270 22640540 45281080