Search a number
-
+
45121048 = 2371942407
BaseRepresentation
bin1010110000011…
…1111000011000
310010220101102221
42230013320120
543022333143
64251033424
71055344150
oct254077030
9103811387
1045121048
1123519125
121313b874
13946a75b
145dc7760
153e642ed
hex2b07e18

45121048 has 32 divisors (see below), whose sum is σ = 101779200. Its totient is φ = 18319392.

The previous prime is 45121039. The next prime is 45121079. The reversal of 45121048 is 84012154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20140 + ... + 22267.

It is an arithmetic number, because the mean of its divisors is an integer number (3180600).

Almost surely, 245121048 is an apocalyptic number.

It is an amenable number.

45121048 is an abundant number, since it is smaller than the sum of its proper divisors (56658152).

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

45121048 is a wasteful number, since it uses less digits than its factorization.

45121048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42439 (or 42435 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45121048 is about 6717.2202584105. The cubic root of 45121048 is about 356.0079744037.

The spelling of 45121048 in words is "forty-five million, one hundred twenty-one thousand, forty-eight".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 42407 84814 169628 296849 339256 593698 805733 1187396 1611466 2374792 3222932 5640131 6445864 11280262 22560524 45121048