Search a number
-
+
45146080 = 2557173233
BaseRepresentation
bin1010110000110…
…1111111100000
310010221122210001
42230031333200
543024133310
64251345344
71055510140
oct254157740
9103848701
1045146080
1123535a11
1213152254
139478c75
145dd2920
153e6b93a
hex2b0dfe0

45146080 has 96 divisors (see below), whose sum is σ = 123125184. Its totient is φ = 15323136.

The previous prime is 45146077. The next prime is 45146093. The reversal of 45146080 is 8064154.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193644 + ... + 193876.

It is an arithmetic number, because the mean of its divisors is an integer number (1282554).

Almost surely, 245146080 is an apocalyptic number.

45146080 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 45146080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61562592).

45146080 is an abundant number, since it is smaller than the sum of its proper divisors (77979104).

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

45146080 is a wasteful number, since it uses less digits than its factorization.

45146080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45146080 is about 6719.0832708041. The cubic root of 45146080 is about 356.0737969303.

The spelling of 45146080 in words is "forty-five million, one hundred forty-six thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 173 224 233 280 346 466 560 692 865 932 1120 1165 1211 1384 1631 1730 1864 2330 2422 2768 3262 3460 3728 4660 4844 5536 6055 6524 6920 7456 8155 9320 9688 12110 13048 13840 16310 18640 19376 24220 26096 27680 32620 37280 38752 40309 48440 52192 65240 80618 96880 130480 161236 193760 201545 260960 282163 322472 403090 564326 644944 806180 1128652 1289888 1410815 1612360 2257304 2821630 3224720 4514608 5643260 6449440 9029216 11286520 22573040 45146080